*A grace period has been enacted to allow for the previous 2015 I-Codes to be utilized while all involved parties prepare for implementation of 2021 Codes. These codes will be the mandatory codes to follow beginning in fall 2023.
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The following I-Codes will be active through April 1, 2023* and will be used for projects which began the permitting and approval process prior to the date, but have not yet been completed.
*A grace period has been put in place to extend the use of these codes through fall 2023