You want to know if you should choose On demand or Automatic for your address validation option in GP.
Microsoft Dynamics GP
- Choose Automatic to validate every time a customer record is saved:
- Addresses validation will be attempted based on Country Names selected in Address Validation Options
- Choose On Demand to validate only when the user requests it:
- Use Batch address validation or validate in customer card go to Additional > AvaTax Address Validation
Note: Address validation is only performed for US and Canada, so in "Perform Address Validation based on the Country Names selected" makes sure to choose all variations of US, USA, United States, CA, Can, Canada that are in your customer database and <No Country Name>, but do not add any other countries.