Any information or documentation you can provide to establish that you were an employee, that you worked under an agreed upon wage and that you earned a specific amount of wages not paid could help support your claim. Typically, this may include (but is not necessarily limited to): Copies of demand letters or other communications sent by the employee to the employer. Copies of employee paychecks and check stubs. Copies of any pay agreements relating to the employee's wages. The names and contact information of any witnesses who can substantiate the allegations of the complaint. Copies of the employee's work schedule, timesheets, and W-2 forms. Any other records of the time worked or wages paid.