Section 4464 Of Chapter 4.1. Enforcement Of Federal Pipeline Safety Standards For Propane Operators From California Public Utilities Code >> Division 2. >> Chapter 4.1.

. (a) The commission in administering the trust fund, shall be responsible for the identification of the pertinent operators and for the collection of the surcharges from the operators.
  (b) The commission may use a balancing account, in conjunction with the trust fund, to account for any overcollection or undercollection on a yearly basis.
  (c) The commission's administrative responsibility and surcharge collection shall exempt all propane used by the following:
  (1) Agricultural, commercial serving less than 10 customers unless a portion of the system is located in a public place, industrial, and refinery systems.
  (2) Recreational vehicles and appliances.
  (3) Vehicular fuel.
  (4) Single customers served by single tanks.
  (5) Distribution systems, other than mobilehome parks, which serve less than 10 customers, unless a portion of the system is located in a public place.
  (6) Cylinder exchange operations.