(a) The standards adopted or designated under this part apply, in whole or in part, to the following:
(1) A health plan.
(2) A health care clearinghouse when doing the following:
(i) Transmitting a standard transaction (as defined in § 142.103) to a health care provider or health plan.
(ii) Receiving a standard transaction from a health care provider or health plan.
(iii) Transmitting and receiving the standard transactions when interacting with another health care clearinghouse.
(3) A health care provider when transmitting an electronic transaction as defined in § 142.103.
(b) Means of compliance are stated in greater detail in § 142.105.