diff --git a/doc/mf6io/mf6ivar/dfn/utl-tas.dfn b/doc/mf6io/mf6ivar/dfn/utl-tas.dfn
index 6316beba5cd..81c6fd25bc5 100644
--- a/doc/mf6io/mf6ivar/dfn/utl-tas.dfn
+++ b/doc/mf6io/mf6ivar/dfn/utl-tas.dfn
@@ -19,6 +19,7 @@ type keyword
 shape
 reader urword
 optional false
+in_record true
 longname
 description xxx
 
@@ -29,6 +30,7 @@ shape any1d
 tagged false
 reader urword
 optional false
+in_record true
 longname
 description Name by which a package references a particular time-array series. The name must be unique among all time-array series used in a package.
 
@@ -48,6 +50,7 @@ type keyword
 shape
 reader urword
 optional false
+in_record true
 longname
 description  xxx
 
@@ -59,6 +62,7 @@ shape
 tagged false
 reader urword
 optional false
+in_record true
 longname
 description Interpolation method, which is either STEPWISE or LINEAR.
 
@@ -78,6 +82,7 @@ type keyword
 shape
 reader urword
 optional false
+in_record true
 longname
 description  xxx
 
@@ -88,6 +93,7 @@ shape time_series_name
 tagged false
 reader urword
 optional false
+in_record true
 longname
 description Scale factor, which will multiply all array values in time series. SFAC is an optional attribute; if omitted, SFAC = 1.0.
 
diff --git a/doc/mf6io/mf6ivar/dfn/utl-ts.dfn b/doc/mf6io/mf6ivar/dfn/utl-ts.dfn
index a7165ea3823..41bf1144843 100644
--- a/doc/mf6io/mf6ivar/dfn/utl-ts.dfn
+++ b/doc/mf6io/mf6ivar/dfn/utl-ts.dfn
@@ -20,6 +20,7 @@ type keyword
 shape
 reader urword
 optional false
+in_record true
 longname
 description xxx
 
@@ -30,6 +31,7 @@ shape any1d
 tagged false
 reader urword
 optional false
+in_record true
 longname
 description Name by which a package references a particular time-array series. The name must be unique among all time-array series used in a package.
 
@@ -49,6 +51,7 @@ type keyword
 shape
 reader urword
 optional false
+in_record true
 longname
 description  xxx
 
@@ -60,6 +63,7 @@ shape time_series_names
 tagged false
 reader urword
 optional false
+in_record true
 longname
 description Interpolation method, which is either STEPWISE or LINEAR.
 
@@ -109,6 +113,7 @@ type keyword
 shape
 reader urword
 optional false
+in_record true
 longname
 description  xxx
 
@@ -119,6 +124,7 @@ shape <time_series_name
 tagged false
 reader urword
 optional false
+in_record true
 longname
 description Scale factor, which will multiply all array values in time series. SFAC is an optional attribute; if omitted, SFAC = 1.0.
 
@@ -162,6 +168,7 @@ tagged false
 reader urword
 optional false
 repeating false
+in_record true
 longname
 description A numeric time relative to the start of the simulation, in the time unit used in the simulation. Times must be strictly increasing.
 
@@ -172,5 +179,6 @@ shape time_series_names
 tagged false
 reader urword
 optional false
+in_record true
 longname
 description A 2-D array of numeric, floating-point values, or a constant value, readable by the U2DREL array-reading utility.