Added `!record.read_attribute(:la)` guard

app/models/validations/property_validations.rb

@@ -84,7 +84,7 @@ module Validations::PropertyValidations
       else
         record.errors.add :startdate, I18n.t("validations.lettings.property.startdate.postcode_not_in_england")
       end
-    elsif record.is_supported_housing? # TODO: revisit
+    elsif record.is_supported_housing? && !record.read_attribute(:la) # `!record.read_attribute(:la)` being satisfied means the address questions (including LA) haven't been answered and the LA is coming from location.
       record.errors.add :location_id, I18n.t("validations.lettings.property.location_id.not_in_england")
       record.errors.add :scheme_id, I18n.t("validations.lettings.property.scheme_id.not_in_england")
       record.errors.add :startdate, I18n.t("validations.lettings.property.startdate.location_not_in_england")
@@ -109,7 +109,7 @@ module Validations::PropertyValidations
       record.errors.add :uprn, I18n.t("validations.lettings.property.uprn.la_not_valid_for_date", la: la.name)
       record.errors.add :uprn_selection, I18n.t("validations.lettings.property.uprn_selection.la_not_valid_for_date", la: la.name)
       record.errors.add :startdate, I18n.t("validations.lettings.property.startdate.la_not_valid_for_date", la: la.name)
-    elsif record.is_supported_housing? # TODO: revisit
+    elsif record.is_supported_housing? && !record.read_attribute(:la) # `!record.read_attribute(:la)` being satisfied means the address questions (including LA) haven't been answered and the LA is coming from location.
       record.errors.add :location_id, I18n.t("validations.lettings.property.location_id.la_not_valid_for_date", la: la.name)
       record.errors.add :scheme_id, I18n.t("validations.lettings.property.scheme_id.la_not_valid_for_date", la: la.name)
       record.errors.add :startdate, I18n.t("validations.lettings.property.startdate.la_not_valid_for_date", la: la.name)