32. Service of notice.

The service of any notice, summons or order under these rules on a dealer may be effected in any of the following manner, namely: -

a. by giving or tendering it to such dealer or his manager or agent in person, or

b. by leaving it at his last known place of business or residence, if such dealer or manager or agent is not available, or

c. by sending it to such dealer through registered post, or