In Spanish, an assignment and assumption agreement is referred to as "acuerdo de cesiĂłn y asunciĂłn". The Office of Federal Contract Compliance Programs (OFCCP) places a strong emphasis on providing compliance assistance for federal government contractors.No-New-Revenue Tax Rate Assumption. We are not familiar with the Spanish term "Acuerdo de Supuestos" or the like, thus we are not clear what this may translate to.