((a)) ** .—** Notwithstanding subsections (f) and (g) of section 1710 and or any other provision of law, the Secretary may not require a covered veteran to make any copayment for the receipt of hospital care or medical services under the laws administered by the Secretary.

((b)) ** .—** In this section, the term “covered veteran” means a veteran who—

((1)) is catastrophically disabled, as defined by the Secretary; or

((2)) is an Indian or urban Indian (as those terms are defined in section 4 of the Indian Health Care Improvement Act ()).