The social security number will be part of the template. It will provide the company everything it has to know about the employee. If he has an outstanding warrant of arrest from the police, if he is an outstanding debt, what responsibility he has, what violations he did, etc.
Starting and running a catering business requires a lot of paperwork. New business owners are faced with the challenge of putting together business forms, contracts, agreements and standard letter templates for the first time. Then once these have been put together they can be easily referenced and adjusted on a case_by_case basis, as they are required.