12. In rule 39 (renewal of patents)—
(a)in paragraphs (1) and (2), the words “accompanied by the prescribed renewal fee for that year” and the words “accompanied by the prescribed renewal fee” are omitted;
(b)in paragraph (1) after the word “filed” where it occurs in the fifth line insert the words “and the prescribed renewal fee paid”;
(c)in the proviso to paragraph (1), after the word “filed” insert the words “and the prescribed renewal fee paid”;
(d)in paragraph (2), after the word “filed”, insert the words “and the prescribed renewal fee paid”;
(e)for paragraph (3) substitute—
“(3) On receipt of the prescribed renewal fee, the comptroller shall (if the patent has been granted) issue a certificate of payment.”.