1973 Constitutional law
 - Articl 4 Section 6. The right of the people to information on matters of public concern shall be recognized. Access to official records, and to documents and papers pertaining to official acts, transactions, or decisions, shall be afforded the citizen subject to such limitations as may be provided by law

Civil law
 - article 2 civil code

Commonwealth Act 638 provides that laws shall be published in the Official Gazette. Such publication is important because there shall be no basis for the application of the Latin maxim, “ignoratia legis non excusat”