The Ship To Address on a Call, with a Business Reply Card (BRC) sample, is different than what is displayed on the Address record for the Account.
For a call against a Person Account, the available options for selection for Ship To Address are based on the Address records associated with the selected Person Account. For a call against a Business Account, the options are based on the Address records for the selected Sample Recipient. In both Account types, only active Addresses are displayed.
Once selected, the Address is formatted for use (including city, state, zip, etc.) and stored in the Ship_To_Address_Text_vod field on the Call2_vod object. This formatted address value is what is displayed on the Call page.
When a user submits the Call, the Call Record becomes locked and is not able to be edited.
The mismatch occurs when the Address is edited after the Call is submitted. These updates are stored on the Address record, but the value in Ship_To_Address_Text_vod on the Call record remains static.
Ensure that users update the Address on the Account used as the Ship To Location prior to submitting a BRC sample Call.
CRM Help Documentation: Ship to Business Location