OCA Circular No. 37-98, issued on June 22, 1998, informs all Executive Judges about Republic Act No. 8491, which establishes the official code for the National Flag, National Anthem, Motto, Coat-of-Arms, and other heraldic items of the Philippines. This law, approved by President Fidel V. Ramos on February 12, 1998, aims to regulate and promote the proper usage and significance of these national symbols. The circular serves as a directive for implementation and guidance for all concerned parties.