如果呢個legislative instructment既purpose係修改法例而唔係補充要求的話,係呢個instructment registered左一段時間之後會被 repealed,但係repealed既只係instructment本身而effect of amendment係會remain the same。
有興趣繼續鑽研的話可以參考 Division 1 of Part 3 of Chapter 3 of the Legislation Act 2003,咩係Automatic repeal。