A capital expenditure made by or on behalf of a health care facility shall not be subject to review pursuant to this section if 75 percent of the patients who can reasonably be expected to use the service with respect to which the capital expenditure is made will be individuals enrolled in an eligible organization as defined in section
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(b) of this title, and if the Secretary determines that such capital expenditure is for services and facilities which are needed by such organization in order to operate efficiently and economically and which are not otherwise readily accessible to such organization because—