General Form of Affidavit or Verification 1.4.1. Manage your Social Security number, which is your first and continuous connection to us.City of Philadelphia. Not all forms are listed. Fill out the pennsylvania affidavit of residency and or affidavit of social security number form for FREE! When completing the form, note the following: 1. You must have the full names and street addresses for all parties. Use the Federal Court Finder to find a federal court and their local court forms. The landlord does not fill out this form. REQUEST FOR TAXPAYER IDENTIFICATION NUMBER AND CERTIFICATION (IRS Form W-9).