22.1 Where a rule requires that a thing be sent–
(a)to a person it shall suffice, for the purposes of that rule, that the thing be sent to an agent of the person;
(b)to a member and that member cannot by reasonable inquiry be identified or found, it shall suffice, for the purposes of that rule, that the thing be sent to the member’s unit addressed to “The Owner” (or using some other such expression, as for example “The Proprietor”).