Chapter 1-5 Approved 3rd. Party Stamp and Signature Approved 3rd. Party Electronic Forms, Stamps & Signatures Company Name Code Has Is approved Created to stamp: IDS Property Casualty Insurance Co. 418 LM Insurance Corporation LM General Insurance Co. Liberty Insurance Corporation Liberty Mutual Insurance Company 518 521 513 514 Liberty Mutual Fire Insurance Co. Massachusetts Homeland Ins. Co. Mass Insurance Systems, Inc. Merchants Mutual Ins. Co. Mount Vernon Fire Ins. Met P&C Milwaukee Casualty Mount Vernon Fire Ins. National Continental 512 331 N/A 582 595 585 571 595 626 Nationwide Mutual Insurance Netherlands Insurance Company New Hampshire Insurance Company New York Marine General Insurance NGM Insurance Company Norfolk & Dedham Insurance Group 630 633 643 134 612 664 Northland Casualty Company 881 1:33 RMV1, RMV3 & Ins. Stamp Ins. Stamp Ins. Stamp Ins. Stamp RMV1, RMV3 & Ins. Stamp Ins. Stamp Ins. Stamp RMV-1 & 3 Ins. Stamp Ins. Stamp Ins. Stamp Ins. Stamp Ins. Stamp RMV1, RMV3 & Ins. Stamp Ins. Stamp Ins. Stamp Ins. Stamp Ins. Stamp Ins. Stamp RMV1, RMV3 & Ins. Stamp RMV1, RMV3 & Ins. Stamp RMV-1 & 3 RMV-1 & 3 RMV-1 & 3 RMV-1 & 3 RMV-1 & 3 RMV-1 3 RMV-1 & 3 NA RMV-1 & 3 RMV-1 & 3 RMV-1 & 3 RMV-1 & 3 RMV-1 & 3 RMV-1 & 3 RMV-1 & 3 RMV-1 & 3 RMV-1 & 3 RMV-1 & 3 RMV-1 & 3 RMV-1 & 3 RMV-1 & 3