ARSD 20:06:27:07. Mandatory electronic format

Issuers that receive claims or send payments by electronic means shall, by the date on which the Health Care Financing Administration requires it of Medicare intermediaries and carriers, accept the ASC X12N standard format for the health care claims submission transaction set (837) and send the ASC X12N health care claim payment transaction set (835), both of which have been adopted by the Data Interchange Standards Association, Inc. (DISA) as of December, 1994.