diff --git a/parm/config/gefs/config.stage_ic b/parm/config/gefs/config.stage_ic
index 92c6bb2a9b..5822f2e794 100644
--- a/parm/config/gefs/config.stage_ic
+++ b/parm/config/gefs/config.stage_ic
@@ -12,12 +12,11 @@ export BASE_IC="@BASE_IC@" # Platform home for staged ICs
 
 export STAGE_IC_YAML_TMPL="${PARMgfs}/stage/master_gefs.yaml.j2"
 
-# Set ICSDIR
+source "${HOMEgfs}/versions/ic.ver"
 
+# Set ICSDIR (if not defined)
 if [[ -z "${ICSDIR}" ]] ; then
 
-  ic_ver="20240610"
-
   if (( NMEM_ENS > 0 )) ; then
     ensic="${CASE_ENS}"
   fi
@@ -26,7 +25,10 @@ if [[ -z "${ICSDIR}" ]] ; then
     ocnic="mx${OCNRES}"
   fi
 
-  export ICSDIR="${BASE_IC}/${CASE}${ensic:-}${ocnic:-}/${ic_ver}"
+  dir_name="${CASE}${ensic:-}${ocnic:-}"
+  ic_ver="${ic_versions[${dir_name}]}"
+
+  export ICSDIR="${BASE_IC}/${dir_name}/${ic_ver}"
 
 fi
 
diff --git a/parm/config/gfs/config.stage_ic b/parm/config/gfs/config.stage_ic
index d0113fac63..f30e402c93 100644
--- a/parm/config/gfs/config.stage_ic
+++ b/parm/config/gfs/config.stage_ic
@@ -12,11 +12,11 @@ export BASE_IC="@BASE_IC@" # Platform home for staged ICs
 
 export STAGE_IC_YAML_TMPL="${PARMgfs}/stage/master_gfs.yaml.j2"
 
+source "${HOMEgfs}/versions/ic.ver"
+
 # Set ICSDIR (if not defined)
 if [[ -z "${ICSDIR}" ]] ; then
 
-  ic_ver="20240610"
-
   if (( NMEM_ENS > 0 )) ; then
     ensic="${CASE_ENS}"
   fi
@@ -25,7 +25,10 @@ if [[ -z "${ICSDIR}" ]] ; then
     ocnic="mx${OCNRES}"
   fi
 
-  export ICSDIR="${BASE_IC}/${CASE}${ensic:-}${ocnic:-}/${ic_ver}"
+  dir_name="${CASE}${ensic:-}${ocnic:-}"
+  ic_ver="${ic_versions[${dir_name}]}"
+
+  export ICSDIR="${BASE_IC}/${dir_name}/${ic_ver}"
 
 fi
 
diff --git a/versions/ic.ver b/versions/ic.ver
new file mode 100644
index 0000000000..e7bd8358ef
--- /dev/null
+++ b/versions/ic.ver
@@ -0,0 +1,22 @@
+#!/bin/bash
+# Initial condition subfolder versions
+
+#shellcheck disable=SC2034
+declare -A ic_versions
+
+ic_versions['C48']=20241120
+ic_versions['C48mx500']=20241120
+ic_versions['C48C48mx500']=20241120
+
+ic_versions['C96']=20241120
+ic_versions['C96C48']=20241120
+ic_versions['C96mx100']=20240610
+
+ic_versions['C384C192']=20240610
+ic_versions['C384mx025']=20241120
+
+ic_versions['C768']=20241120
+ic_versions['C768mx025']=20241120
+
+ic_versions['C1152']=20241120
+ic_versions['C1152mx025']=20241120