the merchandise can stay in the U.S. for one year, with the potential to obtain two, one-year. extensions for a total period of three years. The TIB must be cancelled prior to exportation or. there may be penalties issued by Customs and Border Protection.
1 Weekdays: The customer service department is open 24 hours a day, seven days a week through the online feedback form. 2  If you want to call the customer service department at the Home Office, you can call, 8am to 5pm, CST.
If you mean 24-hour, in-store, customer service (financial services, returns, etc.) the answer is no. The customer service desk closes at 10 pm and reopens at 8 am at 24-hour Walmart Supercenters and Neighborhood Markets. Usually the one at my store closes around 10 PM and opens back up at 7 am.