9B.-(1) Service of a summons on a person who is absent when he is adjudjed to pay a penalty (Form No. 30A) may be effected by sending it to him by ordinary post in a letter addressed to him at his last known or usual place of abode.

(2) The Registrar shall keep a register in which particulars of all summonses posted under sub-rule 1 shall entered in the manner prescribed by Form No. 51. The entries in the register for each day shall be signed by the Registrar, or by an officer deputed by him in writing to keep the register, and they shall be prima facie evidence of service.