From that date, the CUC was no longer accepted in many Cuban businesses; it could only be exchanged in banks or CADECAs (casas de cambios), or used in certain shops, for a six-month period.

[3] On 15 June 2021, it was announced that the CUC would remain exchangeable in banks for a further six months but that no shops would accept them from 1 July.

[1] On 8 November 2004, the Cuban government withdrew the U.S. dollar from circulation, citing the need to retaliate against further sanctions from the Helms–Burton Act.

[citation needed] From 2014, some state-owned shops began to set the prices in both CUC and CUP, and accept payment in either.

Cuba's economic difficulties since the end of 2019 have resulted in shortages of goods in CUP and CUC stores, the opening of stores priced in US dollars and only accepting payment by cards backed by foreign currencies, the waiving of the 10% penalty for exchanging US dollars, the resumption of US dollars as unofficial medium of exchange, and the plunge in the value of the CUC below US$1 in unofficial street exchanges.

It is equivalent to one American dollar and allows consumers to facilitate transactions in foreign exchange with a monetary sign of their own.

They were issued by Banco Nacional de Cuba with the face values of 1, 3, 5, 10 50, and 100 convertible pesos to be accepted by the commercial network of assets and services operating in foreign exchange.

For the printing of the main elements on the front, the Intaglio system was used, which gives them higher quality, security, and aesthetics, as well as a tactile relief.

On the front of the bills, the monuments to the heroes of our liberation struggles are maintained, along with the main elements that appear in previous issues, displaying great precision and clarity, as well as tactile relief.

Main security features present in this series: These new bills entered circulation alongside the previous issues, which retained their legal validity.