Verra has published updated service level agreements (SLAs) for project review requests. The revised SLAs differentiate between request type, program(s) used, and a newly introduced complexity level factor of a given project review request to provide proponents with more specific and nuanced information about when they can expect completion of their requests (i.e., registration, verification, crediting project renewal). The new format also more clearly distinguishes between the process times during different review rounds (initial round, second, or third). This change gives project proponents greater visibility into the status of their requests and the expected timelines associated with project review.

The new review complexity factor is based on a specific project’s individual characteristics and is used to adjust the technical review and PRR technical review durations of project review requests where applicable. (See the SLA Complexity Factors and How They Work webpage.) The complexity levels are regular, high, and very high and are calculated as follows:

  • The presence of one complexity factor increases the time for the regular technical review and PRR technical review SLAs by a factor of 1.25 (resulting in a high complexity review).
  • The presence of two or more complexity factors increases the time for the regular technical review and PRR technical review SLAs by a factor of 1.5 (resulting in a very high complexity review).

Verra reserves the right to exclude review requests from our SLA when they are significantly delayed by issues largely out of Verra’s control. In those cases, proponents will be informed that the typical SLAs do not apply and why. Review times for these requests will be excluded from SLA average reporting.

Verra began publishing targeted service level agreements and average processing times for project review requests in the Verra Project Hub in February 2024 to establish clear performance benchmarks regarding project review times.

The new SLAs are effective November 1, 2025, and can be found in the Project Tracker on the Verra Project Hub. Verra has been tracking the complexity level of project review requests that have been submitted since October 1, 2025. Since the three-month rolling average calculations are based on project review requests closed during the previous three months, those averages will reflect the new complexity levels about six months from now.

Please also visit the Frequently Asked Questions: Project Tracker webpage for more information.

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