(a) A person shall register his name, the address of each place of business, and all trade names under which he conducts business, when required by the Secretary, if he engages in any of the following businesses relating to livestock:

(1) Custom slaughterer, custom processor, meat broker, renderer, or animal food manufacturer;

(2) Wholesaler of any livestock carcass, or part or product of it;

(3) Public warehouseman storing any livestock carcass, or part or product of it;

(4) Buyer, seller, or transporter of any dead, dying, disabled, or diseased livestock or any part of any carcass of livestock that died otherwise than by slaughter.

(b) A person who is required to register under this section shall pay an annual registration fee of $25.