Customs Modernization and Tariff Act
Section 1428. Concealment or Destruction of Evidence of Fraud. - Any person who willfully conceals or destroys any invoice, book, or document relating to any goods liable to duty after an inspection thereof has been demanded by the District Collector or at any time conceals or destroys any such invoice, book, or document for the purpose of suppressing any evidence of fraud therein contained, shall be penalized with imprisonment of not less than three (3) years and one (1) day but not more than six (6) years and shall be liable for a fine of not less than three hundred thousand pesos (P300,000.00) but not more than one million pesos (P1,000,000.00).