(a) While in transit, fueling hose and flexible metal hose on a cargo vehicle to be used in a transfer operation, including their connections, shall be depressurized and protected from wear and injury.
(b) Pressure relief devices shall be maintained in proper operating condition.
(c) As a precaution to keep pressure relief devices in reliable operating condition, care shall be taken in the handling or storing of CNG cylinders to avoid damage. Care shall also be exercised to avoid plugging by paint or other dirt accumulation of pressure relief device channels or other parts which could interfere with the functioning of the device.

Source Note: The provisions of this §13.106 adopted to be effective November 15, 1990, 15 TexReg 5941; amended to be effective February 15, 2021, 46 TexReg 1035