In this subtitle the following words have the meanings indicated. “Commission” means compensation that: is due to a sales representative from a principal; and accrues at: a specified amount for each order or sale; or a rate expressed as a percentage of the dollar amount that a sales representative: takes in orders for the principal; makes in sales for the principal; or earns in profits for the principal. “Principal” means a sales corporation, partnership, proprietorship, or other business entity that: distributes, imports, manufactures, or produces a product for wholesale; enters into a contract with a sales representative to solicit a wholesale order for the product; and pays the sales representative wholly or partly by commission. “Sales representative” means a person who: enters into a contract with a principal to solicit in the State a wholesale order; and is paid wholly or partly by commission. “Sales representative” does not include a person who: buys a product or places an order for a product for resale by that person; or sells or takes an order for the sale of a product to an ultimate buyer.