(a) Not later than May 1 of each year, each plan and applicable health benefit plan issuer identified in §21.4502(a) and (b) of this title, or the plan or issuer's authorized agent must submit to TDI the data required under §21.4507 of this title.(b) The data filed under this section is required to be filed electronically as a Microsoft Excel form and emailed to TDI at ReimbursementRates@tdi.texas.gov, or uploaded by secure File Transfer Protocol (FTP).(c) Issuers may meet the requirements of this subchapter by submitting data using the Microsoft Excel template available on TDI's website at www.tdi.texas.gov/health/reimbursement.html.