I. – If a monthly direct debit, provided for in article 1681 ter and in B of article 1681 quater A, is not made by the set deadline, the sum that should have been deducted shall be paid with the next direct debit.
II. – In the event of a second late payment during the same year, the taxpayer loses the benefit of his option for that year and is subject either to the provisions of 2 of Article 1663 and l’article 1730 or, as regards business property tax and additional taxes, the provisions of article 1679 quinquies.
III. – If a monthly direct debit as provided for in 3 of article 1663 B is not made, the taxpayer is subject to the provisions of 4 of article 1663 and article 1730.
III bis. – (Repealed)
IV. – A decree sets out the terms and conditions for the application of this article.