Tax payers benefit from a delay to declare their IFI (by paper or online): 15th of June 2018.
Initially, the deadlines were:
* Declaration on paper: 17 May 2018
* Declaration on internet:
– 22 May 2018 (departments 01 to 19)
– 29 May 2018 (departments 20 to 49)
– 5 June 2018 (departments 50 to 976)
Tax payers who have already declared their IFI can filed a corrective return, without sanctions, in the same delay.