Item 2511 - Envelopes - Laser Bill Carrier - 2500 per case. Can be used for iVUE Miscellaneous Receivables (formerly POS)/ Delinquent, Print Services generated checks and Messenger Letters. Order paper 2406 for Misc. Receivables forms. . ** As of 1/26/2023 Envelope stock #2511 envelopes are blank envelopes. No "Address Service Requested" wording, no indicia and no black boxes. Any questions please email: supplies@nisc.coop