where to mail form 706
you must file a paper form 706 to report estate or gstt within nine months of the date of the decedent s death 6 if you can t file form 706 by the due date you can apply for an automatic six month extension using form 4768 application for extension of time to file a return and or pay u s estate and generation skipping transfer taxes 10file form 706 at the following address if you re using a private delivery service including dhl express fedex and ups send form 706 to if you re filing an amended form 706 use the following address even if you re using a private delivery service the estate tax and the gstt are due within nine months of the date of the decedent s death 13 make checks payable to united states treasury and note the decedent s name social security number and form 706 on the check alternatively you can pay online through the electronic federal tax payments system eftps 614