The mailing address provided in Section 1.1.03, Section 1.1.04 and Section 1.3.06 of Publication 1141 has changed since the publication was last published. The new mailing address is shown below and should be used to submit any questions regarding the Substitute Forms Program. Internal Revenue Service Attn: Substitute Forms Program SE:W:CAR:MP:P:TP:TP ATSC 4800 Buford Highway Mail Stop 061-N Chamblee, GA 30341 Any questions regarding the Substitute Forms Program can also be emailed to substituteforms@irs.gov. If using email, please enter "Substitute forms" on the subject line.