Forgery and falsification are considered grave offenses in the Philippines, carrying heavy criminal penalties and civil liabilities. If you believe that your signature has been forged or documents have been falsified under your name, you have several legal remedies at your disposal.The prescriptive period for filing an action to annul such a contract is four years from the time the forgery or fraud is discovered. This article discusses the crime of Falsification of Private, Commercial or Legislative Documents, and Wireless, Telegraph or Telephone Messages. Signing another's name with permission is not forgery, but be sure that you sign in a way that reveals the permission. The one proof point is COC certificate of completion which you should ask them to provide. Consent: a defendant has the defense of consent if they forged the document with the consent or cooperation of the alleged victim.