Section 38
SEC. 38. When the National Anthem is played at a public gathering, whether by a band or by singing or both, or reproduced by any means, the attending public shall sing the anthem. The singing must be done with fervor. As a sign of respect, all persons shall stand at attention and face the Philippine flag, if there is one displayed, and if there is none, they shall face the band or the conductor. At the first note, all persons shall execute a salute by placing their right palms over their left chests. Those in military, scouting, citizens military training and security guard uniforms shall give the salute prescribed by their regulations. The salute shall be completed upon the last note of the anthem. The anthem shall not be played and sung for mere recreation, amusement or entertainment purposes except on the following occasions: (a) International competitions where the Philippines are the host or have a representative; (b) Local competitions; (c) During the "signing off" and "signing on" of radio broadcasting and television stations; (d) Before the initial and last screening of films and before the opening of theater performances; and (e) Other occasions as may be allowed by the Institute.