(9) If required by law or contract, failing to provide an employment contract, recruitment agreement, or other required work document in writing. Such written document shall be in a language the employee understands. If the employee must relocate to perform the work, the work document shall be provided to the employee at least five days prior to the employee relocating. The employee’s work document shall include, but is not limited to, details about work description, wages, prohibition on charging recruitment fees, work location(s), living accommodations and associated costs, time off, roundtrip transportation arrangements, grievance process, and the content of applicable laws and regulations that prohibit trafficking in persons. The contracting officer shall consider the risk that the contract or subcontract will involve services or supplies susceptible to trafficking in persons, and the number of non-U.S. citizens expected to be employed, when deciding whether to require work documents in the contract;