Not only can you be subject to penalties when employee names and SSNs don't match our records, but also unmatched wage reports can cause additional processing costs for you, and earnings that are not posted to your employees' records. Social Security offers employers two convenient methods for verifying employee SSNs.
Some offices accept faxed listings.
You may call or visit the office. Just follow the instructions in the registration package. These instructions contain Year 2000 compliant specifications and can be used by individual employers and third-party submitters. Social Security Number Allocations - Knowing what Social Security Numbers have been allocated will help you determine if a SSN is valid. It is not a basis, in and of itself, for you to take any adverse action against the employee.