Conditions of posting

Except as provided for in these Regulations, small packets, printed papers, commercial papers, samples of merchandise and (a) shall be made up in such a manner that they may be easily examined; (b) shall not bear any inscription or contain any document having the character of current or personal correspondence; (c) shall not contain any postage stamp or form of prepayment, whether cancelled or not, or any paper representing a monetary value; (d) shall conform to the limits of weight and size shown in the Second Schedule.