Master Municipal Construction Documents Association

Supplementary Document Updates

These Supplementary Updates contain amendments to the Platinum and 2019 MMCD documents to correct errors and omissions that have been brought to the attention of the MMCD Association and Documents Committee. The amendments have been prepared by the MMCD in the same manner and in the same spirit as the other MMCD documents, and the amendments are subject to the general disclaimer that applies to all MMCD documents.

Please note that supplementary updates are not automatically integrated into electronic documents. Users can elect to adopt all, some or none of the amendments in any Supplemental Update.

Before any amendment in a Supplemental Update will be included in a Tender or a Contract Document, it must be explicitly incorporated by express reference in Schedule 1 - Schedule of Contract Documents to
the Form of Agreement. When properly incorporated by reference each incorporated amendment is deemed to form part of the Contract Documents as a Supplementary General Condition, Supplementary Specification or Supplementary Detail Drawing, as appropriate.


2019 Edition Updates

The 2019 Edition Updates are a compilation of all supplemental updates since publication in 2020. The first updates to the 2019 Edition were approved by the Board of Directors on April 23, 2021.

The most recent updates can be found at the following link:

2022-04-07 (2022-01 to 2022-06)

A compilation of all updates can be found by clicking the image below:

Mmcd Supplemental Update Cover 

Platinum Edition Updates

The Platinum Edition Updates are a compiliation of all supplemental updates previously applied from 2009 to the present. The MMCDA will continue issuing supplemental updates to the Platinum Edition until 2024. Please note that the updates contained in the Platinum Edition Update booklet have all been incorporated into the 2019 MMCD.

The most recent updates can be found at the following links:

2022-04-07 (2022-07 to 2022-11)

2021-04-23 (2021-23 to 2021-24)

2020-08-04 (2020-01 to 2021-08)


Click thumbnail below to access a PDF of all Platinum Supplemental Updates from 2009 to present.

Mmcd Update Thumbnail


Gold Edition Updates

Please note that the Gold Edition is no longer available for sale, and supplementary updates are only available to 2010. To find out if an update is available for a specific section of the Gold Edition, please download the spreadsheet and search the list for the applicable section and subsection:

Download Update Details


The members of the MMCDA have taken care in preparing these documents, but neither the members nor the MMCDA accepts any liability for any loss or damage which may be suffered by any person or corporation as a result of the use of the documents. These documents are made available without representation by the MMCDA or its members as to the appropriateness of their use in any particular situation and issued on the strict understanding that each user accepts full responsibility for their use.