7 26. Make uv and Inspection oF CERTAIN PosTaL ARTICLES. Postal articles for transmission at the rates of postage preseribed for commercial papers, printed papers, samples or newspapers shall be made up in such a manner as to enable the contents thereof to be easily and readily inspected. 27. SURCHARGE OF CERTAIN PosTAL ARTICLES CONTAINING IRREGULAR EncLosures. Any postal article purporting to be 2 commer- cial paper, a printed paper. a sample or # newspaper within the meaning of these Regulations which may be found to contravene any of the provisions thereof may be treated asa letter or, if admissible at the parcel rate, asa parcel, and sureharged upon delivery with an umount equal to double the deficient postage at the letter or parcel rate, as the case may be. 28. Accounts. The Posmaster shall render promptly to the postal administrations or departments concerned all accounts, returns and statements due to be rendered, and the several Brauch Postmasters and Sub-Postmasters shall keep such accounts aud shall render sucli returns as the Postmaster may require. 29. Srarisrics. (1) Once in each year from the first to the fourteenth day of November inclusive or at such other period as may oc preseried a record of the number of various classes of 1mail received and despatched, both in the inland and external services, shall be kept for statistical purposes. (2) Where statistics are recorded in any year in accordance with the Tuternational Postal Convention, it will not be necessary to observe a special statistical period for colonial purposes in respect of external mails, and the statistics recorded for international purposes will be used for the purposes of official and other returns. 80. Scrracr Postage Rates on Parcrrs. The prepaid rates of postave ou pareels intended for transmission from the Presidency by surface mail and the limit of weight aud of insurance valite thereof shall be as set forth in Schedule H hereto. 81. Certiricate or Posrincg Parcri. The sender of any parcel may, upon application at the thae of handing in such parcel, obtain a certificate of the postiue thereof on payment of the fee prescribed in Schedule i hereto. Such certificate shall not imply any liability on rhe purt of the Postmaster for any loss, injury or delay which may stibse- quently take place in respect of such parcel, 832. Ikureonar Commenicatioss iN Parcens. Any parcel found to contain or to bear on the cover thercof any article or communt- cation chargeable at the letter rate of postage shall be charged on delivery with an amount equal to double the postage payable apou such article or communication if it had been transmitted separately.