Transfer hoses shall be in accordance with the following:
1. Transfer hoses or manifold outlets for hose connections used with cargo tanks shall not exceed two in number. The connection between the tank and the meter shall not be considered as one of these outlets. Transfer hoses shall not be longer than 100 feet.
2. Each transfer hose shall be equipped with a shutoff valve at the discharge end. Hose used for the transfer of liquid shall be equipped with an approved safety relief valve.
3. Bleeding of piping systems and transfer hoses in other than approved locations is prohibited.