The postponement of the date of the liquidation sale indicated in the declaration mentioned in article R. 310-2 shall be the subject of prior notification to the mayor by registered letter with acknowledgement of receipt, including justification for the change.
Any postponement of this date by more than two months gives rise to a new declaration under the conditions laid down in article R. 310-2.
As soon as he is aware of it, the declarant is required to inform the mayor by registered letter with acknowledgement of receipt of any change in the event motivating the liquidation mentioned in the second paragraph of article L. 310-1.