obligation [ˌɒblɪˈɡeɪʃən] ?
noun
obligación; (f) without obligation (in advert) sin compromiso
no obligation to buy sin compromiso a comprar
it is your obligation to see that ... le cumple a usted comprobar que; to be under an obligation to sb/to do sth estar comprometido con algn/a hacer algo; to lay put sb under an obligationor poner a algn bajo una obligación; to meet/fail to meet one's obligations hacer frente a/faltar a sus compromisos; of obligation (Rel) de precepto
