MISMO Engineering Guidelines

MISMO has developed a series of guidelines to govern the development of MISMO standards and collateral work products. The MISMO Engineering Guidelines, or MEGs, ensure that MISMO work products adhere to all applicable technology standards, are produced in a consistent fashion, and meet the needs of the mortgage industry.

MEGs apply to the following work products:  

  • Logical Data Model
  • Logical Data Dictionary
  • Reference XML Schema
  • OpenAPI Representations (forthcoming)
  • Decision Models
  • Entity-Relationship Model
  • SMART Doc® Specifications

MISMO Members can easily access all of the MEGs in one comprehensive folder in the Resource Library on MISMO Connect.   

The MISMO Architecture Workgroup (AWG) is responsible for developing and updating the MEGs. MISMO members can post questions/comments on the MEGs to the AWG community site on MISMO Connect. Non-Members can send questions/comments to [email protected]  

MISMO Engineering Guidelines (MEGs)

      Deprecated MEGs

      • MISMO Engineering Guideline 0008 (Approved Acronyms) has been removed from publication as its content is now located in the  Logical Data Dictionary
      • MISMO Engineering Guideline 0036 (Use of XLink to manage relationships) has been removed from publication as its content is now located in the  Version 3 General Information Guide
      • MISMO Engineering Guideline 0041 (Reference Model Release Process) has been removed from publication as its content is now located in the MISMO Development Process Document

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