Section 106Omnibus Election Code of the Philippines (Batas Pambansa Blg. 881), Sec. 106

Records of contributions and expenditures. -

(a) It shall be the duty of every candidate, treasurer of the political party and person acting under the authority of such candidate or treasurer to issue a receipt for every contribution received and to obtain and keep a receipt stating the particulars of every expenditure made.

(b) Every candidate and treasurer of the party shall keep detailed, full, and accurate records of all contributions received and expenditures incurred by him and by those acting under his authority, setting forth therein all information required to be reported.

(c) Every candidate and treasurer of the party shall be responsible for the preservation of the records of contributions and expenditures, together with all pertinent documents, for at least three years after the holding of the election to which they pertain and for their production for inspection by the Commission or its duly authorized representative, or upon presentation of a subpoena duces tecum duly issued by the Commission. Failure of the candidate or treasurer to preserve such records or documents shall be deemed prima facie evidence of violation of the provisions of this Article.