diff --git a/src/i18n/resources/en/panEuropean/panEuropean.js b/src/i18n/resources/en/panEuropean/panEuropean.js
index 1294b9143e..1d768f8ba6 100644
--- a/src/i18n/resources/en/panEuropean/panEuropean.js
+++ b/src/i18n/resources/en/panEuropean/panEuropean.js
@@ -481,6 +481,7 @@ module.exports = {
 
   // table 4.2a
   totalForestAreaByExpansionAndRegenerationType: {
+    forestAreaByExpansionAndRegenerationSubcategories: 'Forest area by expansion and regeneration subcategories',
     totalForestAreaByExpansionAndRegenerationType: 'Total forest area by expansion and regeneration type',
     totalForestAreaByExpansionAndRegenerationTypeNumber: 'I. Total forest area by expansion and regeneration type',
     annualForestExpansionAndRegenerationNumber: 'II. Annual forest expansion and regeneration',
diff --git a/src/test/migrations/steps/20240131113915-step-update-panEU-table4.2a-validations.ts b/src/test/migrations/steps/20240131113915-step-update-panEU-table4.2a-validations.ts
new file mode 100644
index 0000000000..2c7e51f7ff
--- /dev/null
+++ b/src/test/migrations/steps/20240131113915-step-update-panEU-table4.2a-validations.ts
@@ -0,0 +1,63 @@
+import { AssessmentNames } from 'meta/assessment'
+
+import { AssessmentController } from 'server/controller/assessment'
+import { BaseProtocol, Schemas } from 'server/db'
+
+export default async (client: BaseProtocol) => {
+  const { assessment, cycle } = await AssessmentController.getOneWithCycle(
+    {
+      assessmentName: AssessmentNames.panEuropean,
+      cycleName: '2025',
+    },
+    client
+  )
+
+  const schemaAssessment = Schemas.getName(assessment)
+
+  // remove rows validation
+  await client.query(`
+      update ${schemaAssessment}.row r
+      set props = jsonb_delete(r.props, 'validateFns')
+      from (select r.id
+            from ${schemaAssessment}.row r
+                     left join ${schemaAssessment}."table" t on t.id = r.table_id
+            where t.props ->> 'name' = 'table_4_2a'
+              and r.props ->> 'variableName' is not null) as src
+      where r.id = src.id
+      ;
+  `)
+
+  // set cols validation
+  await client.query(`
+      update ${schemaAssessment}.col c
+      set props = c.props || jsonb_build_object('validateFns', src.validations)
+      from (select c.id
+                 , jsonb_build_object(
+                  '${cycle.uuid}',
+                  jsonb_build_array(
+                          'validatorSumSubCategoriesNotEqualToParent(' ||
+                          'table_1_1a.' || (r.props ->> 'variableName')::text || '.area,' ||
+                          '''panEuropean.forestArea.forest'',' ||
+                          '''1.1I'',' ||
+                          '[table_4_2a.' || (r.props ->> 'variableName')::text ||
+                          '.natural_expansion_and_natural_regeneration, ' ||
+                          'table_4_2a.' || (r.props ->> 'variableName')::text ||
+                          '.afforestation_and_regeneration_by_planting_and_or_seeding],' ||
+                          '[''panEuropean.totalForestAreaByExpansionAndRegenerationType.forestAreaByExpansionAndRegenerationSubcategories''],' ||
+                          '''{"year":"' || split_part(r.props ->> 'variableName', '_', 2) || '"}'')'
+                  )
+                   ) as validations
+            from ${schemaAssessment}.col c
+                     left join ${schemaAssessment}.row r on r.id = c.row_id
+                     left join ${schemaAssessment}."table" t on t.id = r.table_id
+            where t.props ->> 'name' = 'table_4_2a'
+              and r.props ->> 'variableName' is not null
+              and c.props ->> 'colName' in
+                  ('natural_expansion_and_natural_regeneration',
+                   'afforestation_and_regeneration_by_planting_and_or_seeding')) as src
+      where c.id = src.id
+  `)
+
+  await AssessmentController.generateMetaCache(client)
+  await AssessmentController.generateMetadataCache({ assessment }, client)
+}