1. A commercial feed, except a customer-formula feed, shall be accompanied by a label bearing the following information:

1. (a) The net weight.
2. (b) The product name and the brand name, if any, under which the commercial feed is distributed.
3. (c) The guaranteed analysis stated in such terms as the commissioner by regulation determines is required to advise the user of the composition of the feed or to support claims made in the labeling. In all cases the substances or elements must be determinable by laboratory methods such as the methods published by the Association of Official Analytical Chemists.
4. (d) The common or usual name of each ingredient used in the manufacture of a commercial feed, provided, that the commissioner by regulation may permit the use of a collective term for a group of ingredients which perform a similar function, or he may exempt such commercial feeds, or any group thereof, from this requirement of an ingredient statement if he finds that such statement is not required in the interest of consumers.
5. (e) The name and principal mailing address of the manufacturer or the person responsible for distributing the commercial feed.
6. (f) Adequate directions for use for all commercial feeds containing drugs and for the use of such other feeds as the commissioner may require by regulation as necessary for their safe and effective use.
7. (g) Such warning or caution statements as the commissioner by regulation determines are necessary for the safe and effective use of the commercial feed.

2. A customer-formula feed shall be accompanied by a label, invoice, delivery slip, or other shipping document, bearing the following information:

1. (a) Name and address of the manufacturer.
2. (b) Name and address of the purchaser.
3. (c) Date of delivery.
4. (d) The product name and brand name, if any, and the net weight of each registered commercial feed used in the mixture, and the net weight of each other ingredient used.
5. (e) Adequate directions for use for all customer-formula feeds containing drugs and for such other customer-formula feeds as the commissioner may require by regulation as necessary for their safe and effective use.
6. (f) Such warning or caution statements as the commissioner by regulation determines are necessary for the safe and effective use of the customer-formula feed.