The Online Signature PIN is a 10-digit number provided by the IRS for the purpose of e-signing 94x series forms. This PIN gives you authorization to e-sign your company’s 94x Series Tax Returns.
To become an IRS Authorized Signer, you need to complete the Form 94x On-Line Signature PIN Registration Process. Upon approval, the IRS will send you a 10 digit Personal Identification Number (PIN) used to electronically sign the 94x Family of Returns. Once you get it, you must sign and return a statement acknowledging receipt of your PIN within 10 days to activate it. The entire PIN registration process can take up to 45 days.