Move postcode inferance

app/models/derived_variables/sales_log_variables.rb

@@ -17,6 +17,15 @@ module DerivedVariables::SalesLogVariables
       self.hoyear = hodate.year
     end
     self.deposit = value if outright_sale? && mortgage_not_used?
+    
+    if saledate && form.start_year_after_2024? && discounted_ownership_sale?
+      self.ppostcode_full = postcode_full
+      self.ppcodenk = 0 if postcode_full.present?
+      self.prevloc = la
+      self.is_previous_la_inferred = is_la_inferred
+      self.previous_la_known = la_known
+    end
+
     self.pcode1, self.pcode2 = postcode_full.split if postcode_full.present?
     self.ppostc1, self.ppostc2 = ppostcode_full.split if ppostcode_full.present?
     self.totchild = total_child
@@ -38,14 +47,6 @@ module DerivedVariables::SalesLogVariables
     self.nationality_all = nationality_all_group if nationality_uk_or_prefers_not_to_say?
     self.nationality_all_buyer2 = nationality_all_buyer2_group if nationality2_uk_or_prefers_not_to_say?
 
-    if saledate && form.start_year_after_2024? && discounted_ownership_sale?
-      self.ppostcode_full = postcode_full
-      self.ppcodenk = 0 if postcode_full.present?
-      self.prevloc = la
-      self.is_previous_la_inferred = is_la_inferred
-      self.previous_la_known = la_known
-    end
-
     set_encoded_derived_values!(DEPENDENCIES)
   end