A. Under certain approved conditions by the Comptroller, additives may be added to special fuel, if they do not contain any dyes or coloring agents when used in on-highway diesel fuel.
B. Additives that have been properly registered with and approved by the Comptroller may be added to special fuel by a bulk supplier licensed as a special fuel seller, provided the:
(1) Introduction of any additive to branded special fuel products is done with the prior written concurrence of the brand owner on an annual basis, with a copy of the concurrence forwarded to the Comptroller;
(2) Additive manufacturer has no restrictions on the use of the additive in any type of special fuel application; and
(3) Additive is introduced by an automatic metering pump or injection system at the:
(a) Time of product receipt, into a bulk storage tank of the special fuel seller;
(b) Loading rack of the special fuel seller at the time of filling a delivery truck; or
(c) Retail service station or fueling site in a manner approved by the Comptroller.