Section 65.82 - Design requirements(a) The owner or operator shall equip each transfer rack with either one of the following equipment:(1) A closed vent system which routes the regulated material vapors to a control device as provided in § 65.83(a)(1) and (2) .(2) Process piping which routes the regulated material vapors to a process or a fuel gas system as provided in § 65.83(a)(4) , or to a vapor balance system as provided in § 65.83(a)(3) .(b) Each closed vent system shall be designed to collect the regulated material displaced from tank trucks or railcars during loading and to route the collected regulated material to a control device as provided in § 65.83(a)(1) and (2) .(c) Process piping shall be designed to collect the regulated material displaced from tank trucks or railcars during loading and to route the collected regulated material vapors to a process or a fuel gas system as provided in § 65.83(a)(4) , or to a vapor balance system as provided in § 65.83(a)(3) .(d) Each closed vent system shall meet the applicable requirements of § 65.143 .(e) If the collected regulated material vapors are routed to a process or a fuel gas system as provided in § 65.83(a)(4) , then each owner or operator shall meet the applicable requirements of § 65.142(c) .