diff --git a/cif_ms.dic b/cif_ms.dic
index 9a5335c..4319813 100644
--- a/cif_ms.dic
+++ b/cif_ms.dic
@@ -24,7 +24,7 @@ data_CIF_MS
     _dictionary.formalism        Modulated
     _dictionary.class            Instance
     _dictionary.version          3.2.1
-    _dictionary.date             2024-05-17
+    _dictionary.date             2024-05-20
     _dictionary.uri              http://www.iucr.org/cif/dic/cif_ms.dic
     _dictionary.ddl_conformance  3.13.1
     _dictionary.namespace        ModStruct
@@ -326,7 +326,7 @@ save_
 save_atom_site_displace_Fourier.wave_vector_seq_id
 
     _definition.id               '_atom_site_displace_Fourier.wave_vector_seq_id'
-    _definition.update           2014-06-27
+    _definition.update           2024-05-20
     loop_
       _alias.definition_id
           '_atom_site_displace_Fourier_wave_vector_seq_id' 
@@ -346,7 +346,8 @@ save_atom_site_displace_Fourier.wave_vector_seq_id
     _type.purpose                Link
     _type.source                 Related
     _type.container              Single
-    _type.contents               Code
+    _type.contents               Integer
+    _enumeration.range           1:
 
 save_
 
@@ -2056,7 +2057,7 @@ save_
 save_atom_site_Fourier_wave_vector.seq_id
 
     _definition.id               '_atom_site_Fourier_wave_vector.seq_id'
-    _definition.update           2019-09-25
+    _definition.update           2024-05-20
     loop_
       _alias.definition_id
           '_atom_site_Fourier_wave_vector_seq_id'
@@ -2072,7 +2073,7 @@ save_atom_site_Fourier_wave_vector.seq_id
     _type.source                 Related
     _type.container              Single
     _type.contents               Integer
-    _enumeration.range           0:
+    _enumeration.range           1:
     _enumeration.default         1
 
 save_
@@ -2909,7 +2910,7 @@ save_
 save_atom_site_occ_Fourier.wave_vector_seq_id
 
     _definition.id               '_atom_site_occ_Fourier.wave_vector_seq_id'
-    _definition.update           2014-06-27
+    _definition.update           2024-05-20
     loop_
       _alias.definition_id
           '_atom_site_occ_Fourier_wave_vector_seq_id' 
@@ -2927,7 +2928,8 @@ save_atom_site_occ_Fourier.wave_vector_seq_id
     _type.purpose                Link
     _type.source                 Related
     _type.container              Single
-    _type.contents               Code
+    _type.contents               Integer
+    _enumeration.range           1:
 
 save_
 
@@ -4123,7 +4125,7 @@ save_
 save_atom_site_rot_Fourier.wave_vector_seq_id
 
     _definition.id               '_atom_site_rot_Fourier.wave_vector_seq_id'
-    _definition.update           2014-06-27
+    _definition.update           2024-05-20
     loop_
       _alias.definition_id
           '_atom_site_rot_Fourier_wave_vector_seq_id' 
@@ -4141,7 +4143,8 @@ save_atom_site_rot_Fourier.wave_vector_seq_id
     _type.purpose                Link
     _type.source                 Related
     _type.container              Single
-    _type.contents               Code
+    _type.contents               Integer
+    _enumeration.range           1:
 
 save_
 
@@ -5840,7 +5843,7 @@ save_
 save_atom_site_U_Fourier.wave_vector_seq_id
 
     _definition.id               '_atom_site_U_Fourier.wave_vector_seq_id'
-    _definition.update           2014-06-27
+    _definition.update           2024-05-20
     loop_
       _alias.definition_id
           '_atom_site_U_Fourier_wave_vector_seq_id' 
@@ -5858,7 +5861,8 @@ save_atom_site_U_Fourier.wave_vector_seq_id
     _type.purpose                Link
     _type.source                 Related
     _type.container              Single
-    _type.contents               Code
+    _type.contents               Integer
+    _enumeration.range           1:
 
 save_
 
@@ -7546,7 +7550,7 @@ save_
 save_atom_sites_ortho.wave_vector_seq_id
 
     _definition.id               '_atom_sites_ortho.wave_vector_seq_id'
-    _definition.update           2019-09-25
+    _definition.update           2024-05-20
     _description.text                   
 ;
 
@@ -7561,15 +7565,15 @@ save_atom_sites_ortho.wave_vector_seq_id
     _type.source                 Related
     _type.container              Single
     _type.contents               Integer
-    _enumeration.range           0:
-    _enumeration.default         0
+    _enumeration.range           1:
+    _enumeration.default         1
 
 save_
 
 save_atom_sites_ortho.wave_vector_seq_id_list
 
     _definition.id               '_atom_sites_ortho.wave_vector_seq_id_list'
-    _definition.update           2019-09-25
+    _definition.update           2024-05-20
     _description.text                   
 ;
 
@@ -7585,8 +7589,8 @@ save_atom_sites_ortho.wave_vector_seq_id_list
     _type.container              List
     _type.contents               Integer
     _type.dimension              '[]'
-    _enumeration.range           0:
-    _enumeration.default         [0]
+    _enumeration.range           1:
+    _enumeration.default         [1]
 
 save_
 
@@ -12858,7 +12862,7 @@ loop_
      Returned all additional indices to main dictionary, removed category_id
      from templates(James Hester)
 ;
-         3.2.1    2024-05-17
+         3.2.1    2024-05-20
 ;
      Corrected a typo in the definition of the _geom_torsion.angle data item.
 
@@ -12869,4 +12873,7 @@ loop_
      category name.
 
      Renamed the head category from 'MS_GROUP' to 'CIF_MS_HEAD'.
+
+     Restricted the values of _atom_site_Fourier_wave_vector.seq_id and linked
+     data items to positive integers.
 ;