Livret Développement Durable et Solidaire or LDDS savings account (LDDS)
Regulated savings product available only to persons whose tax residence is in France. The funds deposited are available at any time. An LDDS account has an unlimited term. However, it may be closed at any time by the account holder. Only one LDDS account may be opened per taxpayer plus one for his/her spouse. The interest paid on an LDDS account is tax-exempt. The maximum amount that can be deposited into an LDDS account is €12,000.
Source: Banque de France