wpbonelli · Oct 15, 2026 · Oct 15, 2026
diff --git a/autotest/dfns/__snapshots__/v2.0.0.dev2/chf-cdb.json b/autotest/dfns/__snapshots__/v2.0.0.dev2/chf-cdb.json
@@ -123,6 +123,7 @@
                 "longname": "zero-depth-gradient boundary name",
                 "description": "name of the zero-depth-gradient boundary cell.  BOUNDNAME is an ASCII character variable that can contain as many as 40 characters.  If BOUNDNAME contains spaces in it, then the entire name must be enclosed within single quotes.",
                 "optional": true,
+                "when": "boundnames",
                 "tagged": false
               }
             }

diff --git a/autotest/dfns/__snapshots__/v2.0.0.dev2/chf-cdb.toml b/autotest/dfns/__snapshots__/v2.0.0.dev2/chf-cdb.toml
@@ -112,6 +112,7 @@ type = "string"
 longname = "zero-depth-gradient boundary name"
 description = "name of the zero-depth-gradient boundary cell.  BOUNDNAME is an ASCII character variable that can contain as many as 40 characters.  If BOUNDNAME contains spaces in it, then the entire name must be enclosed within single quotes."
 optional = true
+when = "boundnames"
 tagged = false
 
 [blocks.period.header]

diff --git a/autotest/dfns/__snapshots__/v2.0.0.dev2/chf-cdb.yaml b/autotest/dfns/__snapshots__/v2.0.0.dev2/chf-cdb.yaml
@@ -133,6 +133,7 @@ blocks:
                 variable that can contain as many as 40 characters.  If BOUNDNAME contains spaces in it,
                 then the entire name must be enclosed within single quotes.
               optional: true
+              when: boundnames
               tagged: false
         shape:
           - <=maxbound

diff --git a/autotest/dfns/__snapshots__/v2.0.0.dev2/chf-chd.json b/autotest/dfns/__snapshots__/v2.0.0.dev2/chf-chd.json
@@ -144,6 +144,7 @@
                 "longname": "constant head boundary name",
                 "description": "name of the constant head boundary cell.  BOUNDNAME is an ASCII character variable that can contain as many as 40 characters.  If BOUNDNAME contains spaces in it, then the entire name must be enclosed within single quotes.",
                 "optional": true,
+                "when": "boundnames",
                 "tagged": false
               }
             }

diff --git a/autotest/dfns/__snapshots__/v2.0.0.dev2/chf-chd.toml b/autotest/dfns/__snapshots__/v2.0.0.dev2/chf-chd.toml
@@ -131,6 +131,7 @@ type = "string"
 longname = "constant head boundary name"
 description = "name of the constant head boundary cell.  BOUNDNAME is an ASCII character variable that can contain as many as 40 characters.  If BOUNDNAME contains spaces in it, then the entire name must be enclosed within single quotes."
 optional = true
+when = "boundnames"
 tagged = false
 
 [blocks.period.header]

diff --git a/autotest/dfns/__snapshots__/v2.0.0.dev2/chf-chd.yaml b/autotest/dfns/__snapshots__/v2.0.0.dev2/chf-chd.yaml
@@ -147,6 +147,7 @@ blocks:
                 that can contain as many as 40 characters.  If BOUNDNAME contains spaces in it, then the
                 entire name must be enclosed within single quotes.
               optional: true
+              when: boundnames
               tagged: false
         shape:
           - <=maxbound

diff --git a/autotest/dfns/__snapshots__/v2.0.0.dev2/chf-evp.json b/autotest/dfns/__snapshots__/v2.0.0.dev2/chf-evp.json
@@ -144,6 +144,7 @@
                 "longname": "evaporation name",
                 "description": "name of the evaporation cell.  BOUNDNAME is an ASCII character variable that can contain as many as 40 characters.  If BOUNDNAME contains spaces in it, then the entire name must be enclosed within single quotes.",
                 "optional": true,
+                "when": "boundnames",
                 "tagged": false
               }
             }

diff --git a/autotest/dfns/__snapshots__/v2.0.0.dev2/chf-evp.toml b/autotest/dfns/__snapshots__/v2.0.0.dev2/chf-evp.toml
@@ -131,6 +131,7 @@ type = "string"
 longname = "evaporation name"
 description = "name of the evaporation cell.  BOUNDNAME is an ASCII character variable that can contain as many as 40 characters.  If BOUNDNAME contains spaces in it, then the entire name must be enclosed within single quotes."
 optional = true
+when = "boundnames"
 tagged = false
 
 [blocks.period.header]

diff --git a/autotest/dfns/__snapshots__/v2.0.0.dev2/chf-evp.yaml b/autotest/dfns/__snapshots__/v2.0.0.dev2/chf-evp.yaml
@@ -149,6 +149,7 @@ blocks:
                 can contain as many as 40 characters.  If BOUNDNAME contains spaces in it, then the entire
                 name must be enclosed within single quotes.
               optional: true
+              when: boundnames
               tagged: false
         shape:
           - <=maxbound

diff --git a/autotest/dfns/__snapshots__/v2.0.0.dev2/chf-flw.json b/autotest/dfns/__snapshots__/v2.0.0.dev2/chf-flw.json
@@ -144,6 +144,7 @@
                 "longname": "inflow name",
                 "description": "name of the inflow cell.  BOUNDNAME is an ASCII character variable that can contain as many as 40 characters.  If BOUNDNAME contains spaces in it, then the entire name must be enclosed within single quotes.",
                 "optional": true,
+                "when": "boundnames",
                 "tagged": false
               }
             }

diff --git a/autotest/dfns/__snapshots__/v2.0.0.dev2/chf-flw.toml b/autotest/dfns/__snapshots__/v2.0.0.dev2/chf-flw.toml
@@ -131,6 +131,7 @@ type = "string"
 longname = "inflow name"
 description = "name of the inflow cell.  BOUNDNAME is an ASCII character variable that can contain as many as 40 characters.  If BOUNDNAME contains spaces in it, then the entire name must be enclosed within single quotes."
 optional = true
+when = "boundnames"
 tagged = false
 
 [blocks.period.header]

diff --git a/autotest/dfns/__snapshots__/v2.0.0.dev2/chf-flw.yaml b/autotest/dfns/__snapshots__/v2.0.0.dev2/chf-flw.yaml
@@ -147,6 +147,7 @@ blocks:
                 contain as many as 40 characters.  If BOUNDNAME contains spaces in it, then the entire
                 name must be enclosed within single quotes.
               optional: true
+              when: boundnames
               tagged: false
         shape:
           - <=maxbound

diff --git a/autotest/dfns/__snapshots__/v2.0.0.dev2/chf-pcp.json b/autotest/dfns/__snapshots__/v2.0.0.dev2/chf-pcp.json
@@ -144,6 +144,7 @@
                 "longname": "precipitation name",
                 "description": "name of the precipitation cell.  BOUNDNAME is an ASCII character variable that can contain as many as 40 characters.  If BOUNDNAME contains spaces in it, then the entire name must be enclosed within single quotes.",
                 "optional": true,
+                "when": "boundnames",
                 "tagged": false
               }
             }

diff --git a/autotest/dfns/__snapshots__/v2.0.0.dev2/chf-pcp.toml b/autotest/dfns/__snapshots__/v2.0.0.dev2/chf-pcp.toml
@@ -131,6 +131,7 @@ type = "string"
 longname = "precipitation name"
 description = "name of the precipitation cell.  BOUNDNAME is an ASCII character variable that can contain as many as 40 characters.  If BOUNDNAME contains spaces in it, then the entire name must be enclosed within single quotes."
 optional = true
+when = "boundnames"
 tagged = false
 
 [blocks.period.header]

diff --git a/autotest/dfns/__snapshots__/v2.0.0.dev2/chf-pcp.yaml b/autotest/dfns/__snapshots__/v2.0.0.dev2/chf-pcp.yaml
@@ -149,6 +149,7 @@ blocks:
                 can contain as many as 40 characters.  If BOUNDNAME contains spaces in it, then the entire
                 name must be enclosed within single quotes.
               optional: true
+              when: boundnames
               tagged: false
         shape:
           - <=maxbound

diff --git a/autotest/dfns/__snapshots__/v2.0.0.dev2/chf-zdg.json b/autotest/dfns/__snapshots__/v2.0.0.dev2/chf-zdg.json
@@ -160,6 +160,7 @@
                 "longname": "zero-depth-gradient boundary name",
                 "description": "name of the zero-depth-gradient boundary cell.  BOUNDNAME is an ASCII character variable that can contain as many as 40 characters.  If BOUNDNAME contains spaces in it, then the entire name must be enclosed within single quotes.",
                 "optional": true,
+                "when": "boundnames",
                 "tagged": false
               }
             }

diff --git a/autotest/dfns/__snapshots__/v2.0.0.dev2/chf-zdg.toml b/autotest/dfns/__snapshots__/v2.0.0.dev2/chf-zdg.toml
@@ -147,6 +147,7 @@ type = "string"
 longname = "zero-depth-gradient boundary name"
 description = "name of the zero-depth-gradient boundary cell.  BOUNDNAME is an ASCII character variable that can contain as many as 40 characters.  If BOUNDNAME contains spaces in it, then the entire name must be enclosed within single quotes."
 optional = true
+when = "boundnames"
 tagged = false
 
 [blocks.period.header]

diff --git a/autotest/dfns/__snapshots__/v2.0.0.dev2/chf-zdg.yaml b/autotest/dfns/__snapshots__/v2.0.0.dev2/chf-zdg.yaml
@@ -173,6 +173,7 @@ blocks:
                 variable that can contain as many as 40 characters.  If BOUNDNAME contains spaces in it,
                 then the entire name must be enclosed within single quotes.
               optional: true
+              when: boundnames
               tagged: false
         shape:
           - <=maxbound

diff --git a/autotest/dfns/__snapshots__/v2.0.0.dev2/exg-gwegwe.json b/autotest/dfns/__snapshots__/v2.0.0.dev2/exg-gwegwe.json
@@ -199,6 +199,7 @@
                 "longname": "exchange boundname",
                 "description": "name of the GWE Exchange cell.  BOUNDNAME is an ASCII character variable that can contain as many as 40 characters.  If BOUNDNAME contains spaces in it, then the entire name must be enclosed within single quotes.",
                 "optional": true,
+                "when": "boundnames",
                 "tagged": false
               }
             }

diff --git a/autotest/dfns/__snapshots__/v2.0.0.dev2/exg-gwegwe.toml b/autotest/dfns/__snapshots__/v2.0.0.dev2/exg-gwegwe.toml
@@ -186,4 +186,5 @@ type = "string"
 longname = "exchange boundname"
 description = "name of the GWE Exchange cell.  BOUNDNAME is an ASCII character variable that can contain as many as 40 characters.  If BOUNDNAME contains spaces in it, then the entire name must be enclosed within single quotes."
 optional = true
+when = "boundnames"
 tagged = false
diff --git a/autotest/dfns/__snapshots__/v2.0.0.dev2/exg-gwegwe.yaml b/autotest/dfns/__snapshots__/v2.0.0.dev2/exg-gwegwe.yaml
@@ -207,6 +207,7 @@ blocks:
                 can contain as many as 40 characters.  If BOUNDNAME contains spaces in it, then the entire
                 name must be enclosed within single quotes.
               optional: true
+              when: boundnames
               tagged: false
         shape:
           - nexg
diff --git a/autotest/dfns/__snapshots__/v2.0.0.dev2/exg-gwfgwf.json b/autotest/dfns/__snapshots__/v2.0.0.dev2/exg-gwfgwf.json
@@ -227,6 +227,7 @@
                 "longname": "exchange boundname",
                 "description": "name of the GWF Exchange cell.  BOUNDNAME is an ASCII character variable that can contain as many as 40 characters.  If BOUNDNAME contains spaces in it, then the entire name must be enclosed within single quotes.",
                 "optional": true,
+                "when": "boundnames",
                 "tagged": false
               }
             }

diff --git a/autotest/dfns/__snapshots__/v2.0.0.dev2/exg-gwfgwf.toml b/autotest/dfns/__snapshots__/v2.0.0.dev2/exg-gwfgwf.toml
@@ -210,4 +210,5 @@ type = "string"
 longname = "exchange boundname"
 description = "name of the GWF Exchange cell.  BOUNDNAME is an ASCII character variable that can contain as many as 40 characters.  If BOUNDNAME contains spaces in it, then the entire name must be enclosed within single quotes."
 optional = true
+when = "boundnames"
 tagged = false
diff --git a/autotest/dfns/__snapshots__/v2.0.0.dev2/exg-gwfgwf.yaml b/autotest/dfns/__snapshots__/v2.0.0.dev2/exg-gwfgwf.yaml
@@ -253,6 +253,7 @@ blocks:
                 can contain as many as 40 characters.  If BOUNDNAME contains spaces in it, then the entire
                 name must be enclosed within single quotes.
               optional: true
+              when: boundnames
               tagged: false
         shape:
           - nexg
diff --git a/autotest/dfns/__snapshots__/v2.0.0.dev2/exg-gwtgwt.json b/autotest/dfns/__snapshots__/v2.0.0.dev2/exg-gwtgwt.json
@@ -199,6 +199,7 @@
                 "longname": "exchange boundname",
                 "description": "name of the GWT Exchange cell.  BOUNDNAME is an ASCII character variable that can contain as many as 40 characters.  If BOUNDNAME contains spaces in it, then the entire name must be enclosed within single quotes.",
                 "optional": true,
+                "when": "boundnames",
                 "tagged": false
               }
             }

diff --git a/autotest/dfns/__snapshots__/v2.0.0.dev2/exg-gwtgwt.toml b/autotest/dfns/__snapshots__/v2.0.0.dev2/exg-gwtgwt.toml
@@ -186,4 +186,5 @@ type = "string"
 longname = "exchange boundname"
 description = "name of the GWT Exchange cell.  BOUNDNAME is an ASCII character variable that can contain as many as 40 characters.  If BOUNDNAME contains spaces in it, then the entire name must be enclosed within single quotes."
 optional = true
+when = "boundnames"
 tagged = false
diff --git a/autotest/dfns/__snapshots__/v2.0.0.dev2/exg-gwtgwt.yaml b/autotest/dfns/__snapshots__/v2.0.0.dev2/exg-gwtgwt.yaml
@@ -205,6 +205,7 @@ blocks:
                 can contain as many as 40 characters.  If BOUNDNAME contains spaces in it, then the entire
                 name must be enclosed within single quotes.
               optional: true
+              when: boundnames
               tagged: false
         shape:
           - nexg
diff --git a/autotest/dfns/__snapshots__/v2.0.0.dev2/gwe-ctp.json b/autotest/dfns/__snapshots__/v2.0.0.dev2/gwe-ctp.json
@@ -144,6 +144,7 @@
                 "longname": "constant temperature name",
                 "description": "name of the constant temperature cell.  BOUNDNAME is an ASCII character variable that can contain as many as 40 characters.  If BOUNDNAME contains spaces in it, then the entire name must be enclosed within single quotes.",
                 "optional": true,
+                "when": "boundnames",
                 "tagged": false
               }
             }

diff --git a/autotest/dfns/__snapshots__/v2.0.0.dev2/gwe-ctp.toml b/autotest/dfns/__snapshots__/v2.0.0.dev2/gwe-ctp.toml
@@ -131,6 +131,7 @@ type = "string"
 longname = "constant temperature name"
 description = "name of the constant temperature cell.  BOUNDNAME is an ASCII character variable that can contain as many as 40 characters.  If BOUNDNAME contains spaces in it, then the entire name must be enclosed within single quotes."
 optional = true
+when = "boundnames"
 tagged = false
 
 [blocks.period.header]

diff --git a/autotest/dfns/__snapshots__/v2.0.0.dev2/gwe-ctp.yaml b/autotest/dfns/__snapshots__/v2.0.0.dev2/gwe-ctp.yaml
@@ -147,6 +147,7 @@ blocks:
                 that can contain as many as 40 characters.  If BOUNDNAME contains spaces in it, then the
                 entire name must be enclosed within single quotes.
               optional: true
+              when: boundnames
               tagged: false
         shape:
           - <=maxbound

diff --git a/autotest/dfns/__snapshots__/v2.0.0.dev2/gwe-esl.json b/autotest/dfns/__snapshots__/v2.0.0.dev2/gwe-esl.json
@@ -144,6 +144,7 @@
                 "longname": "well name",
                 "description": "name of the energy source cell.  BOUNDNAME is an ASCII character variable that can contain as many as 40 characters.  If BOUNDNAME contains spaces in it, then the entire name must be enclosed within single quotes.",
                 "optional": true,
+                "when": "boundnames",
                 "tagged": false
               }
             }

diff --git a/autotest/dfns/__snapshots__/v2.0.0.dev2/gwe-esl.toml b/autotest/dfns/__snapshots__/v2.0.0.dev2/gwe-esl.toml
@@ -131,6 +131,7 @@ type = "string"
 longname = "well name"
 description = "name of the energy source cell.  BOUNDNAME is an ASCII character variable that can contain as many as 40 characters.  If BOUNDNAME contains spaces in it, then the entire name must be enclosed within single quotes."
 optional = true
+when = "boundnames"
 tagged = false
 
 [blocks.period.header]

diff --git a/autotest/dfns/__snapshots__/v2.0.0.dev2/gwe-esl.yaml b/autotest/dfns/__snapshots__/v2.0.0.dev2/gwe-esl.yaml
@@ -148,6 +148,7 @@ blocks:
                 can contain as many as 40 characters.  If BOUNDNAME contains spaces in it, then the entire
                 name must be enclosed within single quotes.
               optional: true
+              when: boundnames
               tagged: false
         shape:
           - <=maxbound

diff --git a/autotest/dfns/__snapshots__/v2.0.0.dev2/gwe-lke.json b/autotest/dfns/__snapshots__/v2.0.0.dev2/gwe-lke.json
@@ -211,6 +211,7 @@
                 "longname": "lake name",
                 "description": "name of the lake cell.  BOUNDNAME is an ASCII character variable that can contain as many as 40 characters.  If BOUNDNAME contains spaces in it, then the entire name must be enclosed within single quotes.",
                 "optional": true,
+                "when": "boundnames",
                 "tagged": false
               }
             }

diff --git a/autotest/dfns/__snapshots__/v2.0.0.dev2/gwe-lke.toml b/autotest/dfns/__snapshots__/v2.0.0.dev2/gwe-lke.toml
@@ -193,6 +193,7 @@ type = "string"
 longname = "lake name"
 description = "name of the lake cell.  BOUNDNAME is an ASCII character variable that can contain as many as 40 characters.  If BOUNDNAME contains spaces in it, then the entire name must be enclosed within single quotes."
 optional = true
+when = "boundnames"
 tagged = false
 
 [blocks.period.fields.lakeperioddata]

diff --git a/autotest/dfns/__snapshots__/v2.0.0.dev2/gwe-lke.yaml b/autotest/dfns/__snapshots__/v2.0.0.dev2/gwe-lke.yaml
@@ -210,6 +210,7 @@ blocks:
                 as many as 40 characters.  If BOUNDNAME contains spaces in it, then the entire name must
                 be enclosed within single quotes.
               optional: true
+              when: boundnames
               tagged: false
   period:
     fields:

diff --git a/autotest/dfns/__snapshots__/v2.0.0.dev2/gwe-mwe.json b/autotest/dfns/__snapshots__/v2.0.0.dev2/gwe-mwe.json
@@ -211,6 +211,7 @@
                 "longname": "well name",
                 "description": "name of the well cell.  BOUNDNAME is an ASCII character variable that can contain as many as 40 characters.  If BOUNDNAME contains spaces in it, then the entire name must be enclosed within single quotes.",
                 "optional": true,
+                "when": "boundnames",
                 "tagged": false
               }
             }

diff --git a/autotest/dfns/__snapshots__/v2.0.0.dev2/gwe-mwe.toml b/autotest/dfns/__snapshots__/v2.0.0.dev2/gwe-mwe.toml
@@ -193,6 +193,7 @@ type = "string"
 longname = "well name"
 description = "name of the well cell.  BOUNDNAME is an ASCII character variable that can contain as many as 40 characters.  If BOUNDNAME contains spaces in it, then the entire name must be enclosed within single quotes."
 optional = true
+when = "boundnames"
 tagged = false
 
 [blocks.period.fields.mweperioddata]

diff --git a/autotest/dfns/__snapshots__/v2.0.0.dev2/gwe-mwe.yaml b/autotest/dfns/__snapshots__/v2.0.0.dev2/gwe-mwe.yaml
@@ -210,6 +210,7 @@ blocks:
                 as many as 40 characters.  If BOUNDNAME contains spaces in it, then the entire name must
                 be enclosed within single quotes.
               optional: true
+              when: boundnames
               tagged: false
   period:
     fields:

diff --git a/autotest/dfns/__snapshots__/v2.0.0.dev2/gwe-sfe.json b/autotest/dfns/__snapshots__/v2.0.0.dev2/gwe-sfe.json
@@ -211,6 +211,7 @@
                 "longname": "well name",
                 "description": "name of the reach cell.  BOUNDNAME is an ASCII character variable that can contain as many as 40 characters.  If BOUNDNAME contains spaces in it, then the entire name must be enclosed within single quotes.",
                 "optional": true,
+                "when": "boundnames",
                 "tagged": false
               }
             }

diff --git a/autotest/dfns/__snapshots__/v2.0.0.dev2/gwe-sfe.toml b/autotest/dfns/__snapshots__/v2.0.0.dev2/gwe-sfe.toml
@@ -193,6 +193,7 @@ type = "string"
 longname = "well name"
 description = "name of the reach cell.  BOUNDNAME is an ASCII character variable that can contain as many as 40 characters.  If BOUNDNAME contains spaces in it, then the entire name must be enclosed within single quotes."
 optional = true
+when = "boundnames"
 tagged = false
 
 [blocks.period.fields.reachperioddata]

diff --git a/autotest/dfns/__snapshots__/v2.0.0.dev2/gwe-sfe.yaml b/autotest/dfns/__snapshots__/v2.0.0.dev2/gwe-sfe.yaml
@@ -211,6 +211,7 @@ blocks:
                 contain as many as 40 characters.  If BOUNDNAME contains spaces in it, then the entire
                 name must be enclosed within single quotes.
               optional: true
+              when: boundnames
               tagged: false
   period:
     fields:

diff --git a/autotest/dfns/__snapshots__/v2.0.0.dev2/gwe-uze.json b/autotest/dfns/__snapshots__/v2.0.0.dev2/gwe-uze.json
@@ -199,6 +199,7 @@
                 "longname": "UZF cell name",
                 "description": "name of the unsaturated zone flow cell.  BOUNDNAME is an ASCII character variable that can contain as many as 40 characters.  If BOUNDNAME contains spaces in it, then the entire name must be enclosed within single quotes.",
                 "optional": true,
+                "when": "boundnames",
                 "tagged": false
               }
             }

diff --git a/autotest/dfns/__snapshots__/v2.0.0.dev2/gwe-uze.toml b/autotest/dfns/__snapshots__/v2.0.0.dev2/gwe-uze.toml
@@ -181,6 +181,7 @@ type = "string"
 longname = "UZF cell name"
 description = "name of the unsaturated zone flow cell.  BOUNDNAME is an ASCII character variable that can contain as many as 40 characters.  If BOUNDNAME contains spaces in it, then the entire name must be enclosed within single quotes."
 optional = true
+when = "boundnames"
 tagged = false
 
 [blocks.period.fields.uzeperioddata]

diff --git a/autotest/dfns/__snapshots__/v2.0.0.dev2/gwe-uze.yaml b/autotest/dfns/__snapshots__/v2.0.0.dev2/gwe-uze.yaml
@@ -200,6 +200,7 @@ blocks:
                 that can contain as many as 40 characters.  If BOUNDNAME contains spaces in it, then the
                 entire name must be enclosed within single quotes.
               optional: true
+              when: boundnames
               tagged: false
   period:
     fields:

diff --git a/autotest/dfns/__snapshots__/v2.0.0.dev2/gwf-chd.json b/autotest/dfns/__snapshots__/v2.0.0.dev2/gwf-chd.json
@@ -151,6 +151,7 @@
                 "longname": "constant head boundary name",
                 "description": "name of the constant head boundary cell.  BOUNDNAME is an ASCII character variable that can contain as many as 40 characters.  If BOUNDNAME contains spaces in it, then the entire name must be enclosed within single quotes.",
                 "optional": true,
+                "when": "boundnames",
                 "tagged": false
               }
             }

diff --git a/autotest/dfns/__snapshots__/v2.0.0.dev2/gwf-chd.toml b/autotest/dfns/__snapshots__/v2.0.0.dev2/gwf-chd.toml
@@ -138,6 +138,7 @@ type = "string"
 longname = "constant head boundary name"
 description = "name of the constant head boundary cell.  BOUNDNAME is an ASCII character variable that can contain as many as 40 characters.  If BOUNDNAME contains spaces in it, then the entire name must be enclosed within single quotes."
 optional = true
+when = "boundnames"
 tagged = false
 
 [blocks.period.header]

diff --git a/autotest/dfns/__snapshots__/v2.0.0.dev2/gwf-chd.yaml b/autotest/dfns/__snapshots__/v2.0.0.dev2/gwf-chd.yaml
@@ -153,6 +153,7 @@ blocks:
                 that can contain as many as 40 characters.  If BOUNDNAME contains spaces in it, then the
                 entire name must be enclosed within single quotes.
               optional: true
+              when: boundnames
               tagged: false
         shape:
           - <=maxbound

diff --git a/autotest/dfns/__snapshots__/v2.0.0.dev2/gwf-csub.json b/autotest/dfns/__snapshots__/v2.0.0.dev2/gwf-csub.json
@@ -462,6 +462,7 @@
                 "longname": "well name",
                 "description": "name of the CSUB cell.  BOUNDNAME is an ASCII character variable that can contain as many as 40 characters.  If BOUNDNAME contains spaces in it, then the entire name must be enclosed within single quotes.",
                 "optional": true,
+                "when": "boundnames",
                 "tagged": false
               }
             }

diff --git a/autotest/dfns/__snapshots__/v2.0.0.dev2/gwf-csub.toml b/autotest/dfns/__snapshots__/v2.0.0.dev2/gwf-csub.toml
@@ -427,6 +427,7 @@ type = "string"
 longname = "well name"
 description = "name of the CSUB cell.  BOUNDNAME is an ASCII character variable that can contain as many as 40 characters.  If BOUNDNAME contains spaces in it, then the entire name must be enclosed within single quotes."
 optional = true
+when = "boundnames"
 tagged = false
 
 [blocks.period.fields.stress_period_data]