Accessory structures or uses shall not be located within a required front yard of any nonresidential zone except off-street parking spaces shall be permitted within the required front yard, but in no case shall parking be permitted closer than 30 feet from the street line, except as provided in subsection 40-8.6 herein.

Accessory structures or uses shall not be located within a required side or rear yard of any nonresidential zone, except off-street parking spaces shall be permitted within the required side or rear yard, but in no case shall parking be permitted closer than eight feet to any side or rear lot line.

Additionally, the yard regulations provided elsewhere in this chapter as outlined in subsection 40-5.3 herein shall apply.

No off-street loading area or loading facility in any nonresidential zone shall be permitted in a front yard.

No accessory structure or use in any nonresidential zone shall exceed a height of two stories or 20 feet, except as provided in subsections 40-5.2 and 40-8.3, herein.

In any nonresidential zone, when an accessory structure or use is attached to the principal building, it shall comply in all respects with the requirements of this chapter applicable to the principal building or use.

Light posts and mail boxes shall be permitted within the required front yard.