Section 170Omnibus Election Code of the Philippines (Batas Pambansa Blg. 881), Sec. 170

Relief and substitution of members of the board of election inspectors. - Public school teachers who are members of the board of election inspectors shall not be relieved nor disqualified from acting as such members, except for cause and after due hearing.

Any member of the board of election inspectors, nominated by a political party, as well as his substitute may at any time be relieved from office and substituted with another having the legal qualifications upon petition of the authorized representative of the party upon whose nomination the appointment was made, and it shall be unlawful to prevent said person from, or disturb him in, the performance of the duties of the said office. A record of each case of substitution shall be made, setting forth therein the hour in which the replaced member has ceased in the office and the status of the work of the board of election inspectors. Said record shall be signed by each member of the board of election inspectors including the incoming and outgoing officers.