to maintain or resume operations in order to assist in maintaining and restoring the economic viability of the practice or center. Loans authorized by this section shall be made without regard to limitations on the size of loans which may otherwise be imposed by any other provision of law or regulations promulgated pursuant thereto. (c) Interest Any loan made under this section shall be subject to not to exceed .25 percent interest, and the President, if determined necessary, may defer payments of principal for a period not to exceed 3 years after the date of such loan. (d) Deferred interest accrual Interest on a loan under this section shall not begin to accrue until the date that is 24 months after the date on which the COVID-19 emergency officially ends (as determined by the Administrator). (e) Other Federal assistance Loans made under this section shall be in addition to any other Federal emergency assistance available, except that such other assistance may be adjusted or modified to the extent determined appropriate by the Administrator. (f) Definitions In this section: (1) Ambulatory surgery center The term ambulatory surgery center has the meaning given such term in section 1833(i) of the Social Security Act. (2) Eligible health care practice The term eligible health care practice means a corporation, limited liability company, or unincorporated personal entity that provides health care services of a physician or a health care provider as licensed under State law. (3) Health care provider The term health care provider means an individual providing health care services under State law as determined by the Administrator. (4) Physician The term physician means an individual that meets the definition under section 1861(r) of the Social Security Act. (g) Sunset Low-interest loans under this section to eligible health care practices and ambulatory surgery centers shall only be made during the duration of the COVID-19 emergency. (h) Authorization of appropriations There is authorized to be appropriated such sums