The MASS Committee is organized into subcommittees focused on specific areas of the Committee's overall scope.

Business processes involving communications among industry participants are studied by the Committee's business area subcommittees. Currently, the MASS Committee is analyzing requirements and developing standards for the following classes of activities:

• Account Origination and Maintenance
• Billing
• Model Maintenance
• Reconciliation
• Trading

In addition, the Marketing and Education subcommittee and Steering subcommittee work to coordinate the efforts of the Committee and communicate its mission and deliverables.