(a) A mobile slaughter operator that slaughters livestock pursuant to subdivision (c) of Section 19020 shall keep and maintain all of the following records expressly for that purpose for at least one year:

1. (1) The date of slaughter of all livestock.
2. (2) The name, address, and telephone number of producer of the livestock that are being slaughtered.
3. (3) The address or other location identifier of where the slaughter occurred.
4. (4) The number of each livestock slaughtered at the address on the date of slaughter.
5. (5) All ear tag numbers and all identification markings, if available, on all livestock slaughtered, and, if no identification number or marking is present, record “no identification number or marking.”
6. (6) The name, address, and telephone number of the owner for each livestock slaughtered.
7. (7) The name and address of the facility that each carcass was transported to for processing.

(b) Every producer that produces livestock that are slaughtered by a mobile slaughter operator pursuant to subdivision (c) of Section 19020 shall keep and maintain all of the following records for at least one year:

1. (1) The name, address, and telephone number of the buyer.
2. (2) All ear tag numbers and all other identification markings of all livestock.
3. (3) The price paid for each livestock.
4. (4) A purchase receipt for each livestock.
5. (5) The date of purchase of each livestock.
6. (6) The date of slaughter of each livestock.