44 No. 3 Electronic and Postal Communications (b) (c) Exemption from postal charges 2010 artworks, proofs, progressive sheets; printed sheets and printing plates of postage stamps; and date-stamps, slogan dyes, and other artifacts used in connection with the production of postage stamps. 50.(1) The Authority may make rules as to the exemption of certain classes of persons from postal charges on letter-post items and fees or other charges payable for services rendered. (2) In particular and without prejudice to the generality of the foregoing power, the rules made under sub-section (1) may exempt letter-post items for charitable purposes from postal charges. Power to make rules as to the transmission by post of postal articles 51.(1) The Authority may make rules as to the transmission by post of postal articles and in particular such rules may(a) provide for the performance of supplementary services in respect of transmission by post of postal articles; (b) prescribe the special charges or fees to be charged for the supplementary services provided; (c) prohibit the transmission by post of postal articles not specified in section 46 or lay down special conditions on which such articles, may be transmitted by post; or (d) provide for the payment of compensation for the loss or damage in course of transmission by post of postal articles, and the conditions under which such compensation may be paid and the limit of the amount of such compensation. (2) For the purposes of this section, supplementary services include the registration, insurance and storage of postal articles, Poste Restante and any other form of supplementary service. Transmission by post of anything injurious, etc prohibited 52.(1) A person shall not send by post any article or thing which is likely to injure any person or postal article in the course of transmission by post.