Erayga "lambarka gaadiidka ABA" waxa loola jeedaa kood sagaal-god ah oo gaar ah oo lagu isticmaalo Maraykanka si loo aqoonsado hay'ad maaliyadeed oo wax kala iibsi ah. ABA waxay u taagan tahay Ururka Bangiyada Maraykanka, ururka sameeyay nidaamka nambarada 1910. Nambarka gaadiidka ABA waxa kale oo loo yaqaan lambarka dariiqa ama nambarka marinka marinka (RTN). Waxaa isticmaala Bangiyada Kaydka Federaalka si ay uga baaraandegaan wareejinta lacagaha Fedwire, ACH (Automated Clearing House) dhigaalka tooska ah, lacag-bixinta biilka, iyo lacagaha kale ee tooska ah ee lacagaha u dhaxeeya hay'adaha maaliyadeed ee Mareykanka.