orders. Circulars shall refer to issuances prescribing policies, rules and regulations, and procedures promulgated pursuant to law, applicable to individuals and organizations outside the Government and designed to supplement provisions of the law or to provide means for carrying them out, including information relating thereto. Orders shall refer to issuances directed to particular offices, officials, or employees, concerning specific matters including assignments, detail and transfer of personnel, for observance or compliance by all concerned. SEC. 26. Numbering System of Issuances. - Every circular or order issued pursuant to the preceding section shall properly be identified as such and chronologically numbered. Each class of issuance shall begin with number 001 and series of the year of issuance. SEC. 27. Official Logbook. - Each department, bureau, office or agency shall keep and preserve a logbook in which shall be recorded in chronological order, all final official acts, decisions, transactions or contracts, pertaining to the department, bureau, office or agency. Whenever the performance of an official act is in issue, the date and the time record in the logbook shall be controlling. The logbook shall be in the custody of the chief administrative officer concerned and shall be open to the public for information. SEC. 28. Government-wide Application of the Classification of Issuances. - The Office of the Regional Governor shall provide such assistance as may be necessary to effect general adherence to the foregoing classification of issuances, including the conduct of studies for developing sub-classifications and guidelines to meet peculiar needs. All administrative issuances of a general or permanent character shall be compiled, indexed and published pursuant to the provisions of this Code. Chapter 9 Miscellaneous Receipts SEC. 29. Charges for Property Sold or Services Rendered; Refunds. - For services required by law to be rendered for a fee, for supplies furnished, or articles of any kind sold to other divisions of the government or to any person, the head of bureau, office or agency may, upon approval of the Regional Governor or the Regional Secretary charge and collect the cost of the service, supplies, or articles. The officer authorized to fix the amount to be paid for service rendered and supplies or articles furnished or sold in excess of cost prescribed by law or approved by the same authority may recommend that the whole or part of any sum so paid be refunded, upon approval of the Commission on Audit. SEC. 30. Disposition of Miscellaneous Bureau Receipts. - In the absence of special provision, money collected for property sold or service rendered, and all other receipts or earnings of departments, bureaus, offices, and agencies not derived from taxation, shall accrue to the general un-appropriated funds of the Autonomous Regional Government which shall be remitted to the Regional Treasury. SEC. 31. Printing of Studies and Researches. - With the approval of the Regional Secretary, a bureau, office, or agency may print its studies, researches and similar materials for distribution at cost to the public. The Regional Secretary may authorize the printing or reprinting of the said materials by private persons for sale to the public upon payment of such royalties as 44