(1) Data files and claim files shall be submitted to the WA-APCD in accordance with the requirements set forth in this chapter and the data submission guide.

(2) The lead organization shall develop the data submission guide with input from stakeholders. The lead organization shall develop a process to allow for stakeholder review and comment on drafts of the data submission guide and all subsequent changes to the guide. The authority shall have final approval authority over the data submission guide and all subsequent changes.

(3) The lead organization shall notify data suppliers before changes to the data submission guide are final. Notification shall occur no less than one hundred twenty calendar days prior to the effective date of any change.

(4) Upon good cause shown, data suppliers may be granted an extension to comply with any changes to the data submission guide. Requests for extensions or exceptions shall be made in accordance with WAC 182-70-080.