§ 205-a. Certain pilot projects. Any county operating a county hospital employing physicians and dentists pursuant to a pilot project approved by the public health and health planning council, whereby such physicians and dentists may receive fees for private professional services rendered in accordance with section one hundred thirty of the general municipal law in addition to the amount of remuneration fixed by the respective county legislative bodies for regular services, shall be required to adopt rules and regulations to govern such fees. Such rules and regulations shall be subject to the approval of the public health and health planning council.