The peso ley 18.188, usually known as either peso or, to distinguish it from the earlier peso moneda nacional, informally as peso ley, was the currency of Argentina between January 1, 1970 and May 5, 1983. It was subdivided into 100 centavos. Its symbol was $, sometimes $L. Its name comes from law 18188 which established it, effective April 5, 1969. Its ISO 4217 code was ARL.