Every petition/appeal filed before an adjudicating body/office of this Commission shall be imposed a filing fee equivalent to 1/10 of 1% of the amount involved, but not exceeding P20,000.00.
(Section 5, Rule IX, as amended by COA Resolution 2013-016 dated August 23, 2013).
Also, a legal research fee is required to be paid in the amount of 1% of filing fee imposed but in no case lower than P10.00.
(COA-MOF-DBM Circular No. 6-85 dated September 13, 1985 Section 3.1.b).