Joint tenants account (joint accourt)
Multiple owners account opened in the name of two or more people who are not necessarily bound by a family relationship or alliance, called co-holders. To open a joint account, the co-holders must sign an account agreement. Any of the co-holders may complete debit and credit transactions on the account on his own – exactly as if he were the sole account holder – including deposits and withdrawals of funds, cashing of cheques, bank transfers, direct debit authorisations, etc.
Source: Banque de France