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Periodic Collections

Overview

A periodic collection is a collection which is completed once a year and has a specific time window in which the work must be done. All work within these collections must be done within a specified time period. Once the collection is closed, no modifications can be made until the following year. Each periodic collection is listed on the left, please click on the link for the periodic collection details. 



Contact: Data Pipeline Support at datapipeline.support@cde.state.co.us