Requiring suppliers to comply with laws:
Under section B. Our commitment (p.1): 'The Hotel will only work with suppliers who comply with all laws regarding slavery and human trafficking in the countries in which the suppliers are doing business'.
Possible that it also requires suppliers to respect labour rights but vaguely expressed so not satisfied:
Under section B. Our commitment (p.1): 'The Hotel will not knowingly use any supplier that uses forced, prison, or indentured labour.'