If you are doing it with their consent, you are not "forging" their signature. Signing another's name with permission is not forgery, but be sure that you sign in a way that reveals the permission.831.025 Evidence in prosecution for forgery or counterfeiting. This form is for reporting suspected immigration benefit fraud and abuse to USCIS. Forgery is the creation, altering, forging, or imitating of any document with the intent to defraud another person. If you are aware of, or have been a victim of, fraud associated with a US passport or US visa application, please visit DSS Crime Tips. Forgery and falsification are considered grave offenses in the Philippines, carrying heavy criminal penalties and civil liabilities.