Yes, in order for us to complete your K-1 document and submit the Tax Form Rev-1123 for the Special Purpose Entity you are contributing through to the State of Pennsylvania you must provide your social security number. The PA DOR will match the social security number provided on REV-1123 with your tax return. If you have concerns about listing this information on your joinder agreement, please reach out to a program specialist for additional options of providing your social security number.