(a) Except as provided in paragraph (b) of this section, producer means any person who produces milk approved by a duly constituted regulatory agency for fluid consumption as Grade A milk and whose milk (or components of milk) is:
(1) Received at a pool plant directly from the producer or diverted by the plant operator in accordance with § 1131.13; or
(2) Received by a handler described in § 1000.9(c).
(b) Producer shall not include:
(1) A producer-handler as defined in any Federal order;
(2) A dairy farmer whose milk is received at an exempt plant, excluding producer milk diverted to the exempt plant pursuant to § 1131.13(d);
(3) A dairy farmer whose milk is received by diversion at a pool plant from a handler regulated under another Federal order if the other Federal order designates the dairy farmer as a producer under that order and that milk is allocated by request to a utilization other than Class I;
(4) A dairy farmer whose milk is reported as diverted to a plant fully regulated under another Federal order with respect to that portion of the milk so diverted that is assigned to Class I under the provisions of such other order; and
(5) A dairy farmer whose milk is received at a pool plant if during the month milk from the same farm is received at a nonpool plant (except a nonpool plant that has no utilization of milk products in any class other than Class III or Class IV) other than as producer milk under the order in this part or some other Federal order. Such a dairy farmer shall be known as a dairy farmer for other markets.