(1) All data and data files must be submitted to the authority in accordance with the requirements in this chapter and the respective data submission guide for the respective reporting period. Data submission guides are located on the authority's website.

(2) The authority develops data submission guides and has final approval authority over them. The authority provides reporting entities the opportunity to comment on changes to data requirements in the applicable data submission guide, at least thirty days before the effective date of the change.

(3) At its discretion, the authority may grant reporting entities an extension to comply with any changes the authority makes to the data submission guides. Reporting entities must request extensions in accordance with WAC 182-51-1200.