Preamble
"ART. 214. Headquarters and branches.—The Commission shall have its main office in Metropolitan Manila and its Chairman shall exercise supervision over labor arbiters and all its personnel. It shall establish as many branches as there are regional offices of the Ministry of Labor and Employment, with as many labor arbiters as shall be necessary for its effective operation, each branch to be headed by an executive labor arbiter who shall be a member of the Integrated Bar of the Philippines."