# § 13505. Transportation furthering a primary business
**(a)** **In General.—** Neither the Secretary nor the Board has jurisdiction under this part over the transportation of property by motor vehicle when—
**(1)** the property is transported by a person engaged in a business other than transportation; and
**(2)** the transportation is within the scope of, and furthers a primary business (other than transportation) of the person.
**(b)** **Corporate Families.—**
**(1)** **In general.—** Neither the Secretary nor the Board has jurisdiction under this part over transportation of property by motor vehicle for compensation provided by a person who is a member of a corporate family for other members of such corporate family.
**(2)** **Definition.—** In this section, “corporate family” means a group of corporations consisting of a parent corporation and all subsidiaries in which the parent corporation owns directly or indirectly a 100 percent interest.
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**Source Credit**: (Added Pub. L. 104–88, title I, § 103, Dec. 29, 1995, 109 Stat. 861.)
## Editorial Notes
### Prior Provisions
Provisions similar to those in this section were contained in prior to the general amendment of this subtitle by .
## Statutory Notes and Related Subsidiaries
### Effective Date
Section effective , except as otherwise provided in , see , set out as a note under .