The Police Commissioner is hereby authorized to establish and from time to time, alter, modify or remove, exclusive parking areas for taxis on the island of St. Croix at such places where he may determine will serve the convenience and needs of the taxi-using public on such island, except that an exclusive, permanent parking area for taxis shall be established and maintained on a section of King Street between the waterfront and the Florence Williams Library in Christiansted, St. Croix, in the place where such Library is located on the date of enactment of this section. The operators of taxis to which such areas are assigned shall be required to remain in attendance at the vehicle while parked in such area.