816 Envelope Specs R-9-17

This document is an envelope specification sheet (HFS 816, Revision 9-17) issued by the Illinois Department of Healthcare and Family Services (HFS) dated September 11, 2026. It establishes detailed requirements for custom mail envelopes to be used by the Division of Child Support Services (DCSS) under a state of Illinois contract with an unnamed vendor.

The specification details the manufacture and delivery of 180 cases containing 2,500 #10 white envelopes per case (450,000 total units) featuring custom specifications including a 4" by 1 3/4" window placement, rounded flap corners, diagonal seams, and black ink printing with specific text positioning. Envelopes are to be white, 24-pound weight, wove finish with split gumming, open side configuration, and fully glued diagonal seams. All printed matter, including HFS identification, mail drop information, and "Electronic Service Requested" notation, must be applied per specifications. The vendor is responsible for freight costs with pre-paid delivery to the Illinois Department of Healthcare and Family Services at 2946 Old Rochester Road, Springfield, Illinois 62703, attention Drake Sisti. All invoices, bills of lading, and correspondence must reference the state purchase order number, and exterior carton markings must identify contents clearly with the HFS 816 designation and corresponding purchase order information.