47 CFR §52.107

1. (a)As used in this section, hoarding is the acquisition by a toll free subscriber from a Responsible Organization of more toll free numbers than the toll free subscriber intends to use for the provision of toll free service. The definition of hoarding also includes number brokering, which is the selling of a toll free number by a private entity for a fee.
   1. (1)Toll free subscribers shall not hoard toll free numbers.
   2. (2)No person or entity shall acquire a toll free number for the purpose of selling the toll free number to another entity or to a person for a fee.
   3. (3)Routing multiple toll free numbers to a single toll free subscriber will create a rebuttable presumption that the toll free subscriber is hoarding or brokering toll free numbers.
2. (b)Tariff Provision. The following provision shall be included in the Service Management System tariff and in the local exchange carriers' toll free database access tariffs:
3. (c)Toll Free Numbers Assigned via Competitive Bidding. The provisions of this section shall not apply to toll free numbers assigned via competitive bidding or to numbers transferred under the exception to § 52.105 contained in paragraph (f) of that section.