Mutual recognition of degrees is an issue that complements trade and has been strengthened through other agreements. However, in the FTA it was established that the two countries will pursue this theme with their respective authorities and develop standards for the licensing and certification of professional service providers. Through a letter accompanying the Chapter on Services, the U.S. committed to review the state-level measures requiring permanent residency or citizenship for professional engineering, accounting, architecture, legal, nursing, dentistry, general medicine, and paramedic services.