Site: nolo.com
... at an attorney’s office, the attorney will probably bring in witnesses—employees of the law ... You can search for one online, or you may be able to find one at a bank, real estate office, or package-mailing ... If you’re not, it might invalidate the will, depending on how strict your state’s law is. ... affidavit, the notary may put them under oath; the notary should know what procedure is required by state law ...