Where an attachment of earnings order is in force -
(a) the liable relative shall notify in writing the District Court that made the order of every occasion on which he leaves any employment, or becomes employed or re-employed, not later (in each case) than 10 days from the date on which he does so,
(b) the liable relative shall, on any occasion on which he becomes employed or re-employed, include in his notification under paragraph (a) particulars of his earnings and expected earnings from the relevant employment,
(c) any person who becomes an employer of the liable relative and knows that the order is in force and by what Court it was made shall, within 10 days of his becoming the liable relative's employer or of acquiring that knowledge (whichever is the later), notify the District Court in writing that he is the liable relative's employer, and include in his notification a statement of the liable relative's earnings and expected earnings, and
(d) any person who is an employer