Regulation 50—Application of Provision Relating to Patents.(1) The provisions set out in these Regulations shall apply, mutatis mutandis, to utility certificates, but subject to the following exceptions—(a)   the letter P, in regulation 21, shall be read as the letters UC;(b)   utility certificates shall be granted on Form No. 11A in the Second Schedule;(c)   a certificate of grant shall be issued on Form No. 12A in the Second Schedule;(2)  A request, under section 66 of the Law for the conversion of an application for a patent into an application for a utility certificate, or vice versa, shall be made on Form No. 31 in the Second Schedule.(3)  The Registrar shall, within two months of the receipt of the request, notify the applicant of his decision in writing, and where he refuses the request, he shall state the reasons for his refusal.(4)  The Registrar shall record any conversion effected under section 66 (1) of the Law in the register and publish a reference to it in the Industrial and Commercial Bulletin.