In the event that officials or employees of the City or any department, agency or instrumentality thereof, or any other governmental political subdivision, shall avail themselves of the facilities and services rendered by the Hospital, such facilities and services so rendered shall be charged for at the regularly established rates. Any such facilities or services rendered to patients at the order or request of the City, or other governmental political subdivision, by the Hospital, shall be paid for by the City, or such governmental political subdivision, as the case may be.
(1947 Code §7.3)