1099 NEC Forms Will Line Up Perfectly 1099-NEC forms are now printed 3 to a page, so your NEC forms will no longer fit in the old 1099 envelopes for 2-up forms".

 Envelope dimensions of 3-13/16” x 8-3/8” designed to fit 1099 NEC forms printed with QuickBooks or other accounting software Top window measures 3-3/8” x 7/8” and placement is 1/2" from the left edge of the envelope, and 2-1/16” from the bottom edge Bottom window measures 3-3/8” x 1-1/16”, with placement 1/2" from the left edge and 11/16” from the bottom edge Tapered flap measures 1-3/16” deep for a strong and secure seal, no licking or moistening required thanks can be frustrating to purchase envelopes only to find them flimsy enough to have you worried about their durability during transit