Article 170 Revised Penal Code
Article 170 of the Revised Penal Code is about Falsification of legislative documents. It is under Chapter One (Forgeries) of Title Four (Crimes Against Public Interest) of the Code.
Falsification of legislative documents
The penalty of prision correccional in its maximum period and a fine not exceeding P6,000 pesos shall be imposed upon any person who, without proper authority therefor alters any bill, resolution, or ordinance enacted or approved or pending approval by either House of the Legislature or any provincial board or municipal council.
See also: Article 169 Revised Penal Code