Effective May 31, 2015, the Postal Service™ will implement several updated or new Extra Service forms as part of an ongoing effort to simplify products and services.
Certain Extra Service forms can either be printed by customers at: http://about.usps.com/forms-publications/welcome.htm (PS Forms 3606, 3606-D, 3665, 3806, 3811-A, and 3877) or ordered online at: https://store.usps.com/store/ (PS Forms 153, 3800, 3811, 3813, 3813-P, and 3816). These Extra Service forms will be available for printing or ordering by customers as of May 15, 2015, but are not intended for use until May 31, 2015. For mailers who privately print Extra Service forms, the same certification process that is stated in DMM 503.1.7.2 must be followed for the new or revised forms. The available new and revised forms are:
* Until further notice, the Postal Service has granted a grace period for Certificate of Mailing and Certificate of Bulk Mailing forms implementation and will allow mailers to use up existing supplies of their current facsimiles prior to switching to the new form.
— Shipping Products and Services, New Products and Innovations, 5-14-15