Master employment contracts in Mexico with our detailed guide. Learn about legal requirements, contract types, and compliance tips for hiring success.It is not mandatory to prepare a letter of intent, term sheet or memorandum of understanding under Mexican law, although company bylaws may provide otherwise. He can unify you via his birth certificate, apostilles, translations, and likely a one-and- the-same affidavit for you. DoD, GSA, and NASA are proposing to amend the Federal Acquisition Regulation (FAR) to implement the United StatesMexicoCanada Agreement Implementation Act. Mexican law requires written employment contracts for all workers, establishing the rights and obligations of both employers and employees.