The time limits mentioned in II and III of article L. 465-3-6 run from the date shown on the acknowledgement of receipt of the registered letter or the date shown on the receipt of the letter delivered on the basis of the first paragraph of articles R. 465-1 and R. 465-2. These time limits cease to run on the date shown on the stamp of the post office where the registered letter was sent or on the date shown on the receipt for the letter delivered on the basis of the second paragraph of articles R. 465-1 and R. 465-2.