Dangane da siyasar kwadago ta Amurka, " dokokin haƙƙin-aiki " suna nufin dokokin ƙasa waɗanda suka hana yarjejeniyar tsaro tsakanin ƙungiyoyi tsakanin ma'aikata da ƙungiyoyin ƙwadago . A ƙarƙashin waɗannan dokokin, an haramtawa ma’aikata a wuraren aiki na haɗin kai daga tattaunawar kwangila wanda ke buƙatar ma’aikatan da ba ‘ƴan ƙungiyar kwadagon ba da gudummawa ga farashin wakilcin ƙungiyar kwadago. A cewar National Right to Work Legal Foundation, dokokin aikin-dama sun hana yarjejeniyar tsaro ta ƙungiyar, ko yarjejeniya tsakanin masu daukar ma'aikata da ƙungiyoyin kwadago, waɗanda ke kula da yadda kungiyar kwadago za ta iya bukatar mambobin ƙungiyar, biyan kudaden kungiyar, ko kudade a matsayin yanayin aikin, ko dai kafin ko bayan haya. Dokokin haƙƙin-aiki ba sa nufin samar da garantin ɗaukan aiki gaba ɗaya ga mutanen da ke neman aiki, amma a maimakon haka haramcin gwamnati ne kan yarjejeniyar kwangila tsakanin ma'aikata da ma'aikatan ƙungiyar da ke buƙatar ma'aikata su biya kuɗin wakilcin ƙungiyar. Dama-ta-aiki dokokin (ko dai ta hanyar dokoki, ko da kundin tsarin mulkin arziki) wanzu a 27 Jihohi US, a cikin Southern, Midwestern, kuma ciki Yammacin jihohi.