Rev. Rul. 70-589

Revenue Ruling 69-340, C.B. 1969-1, 291, holds that a self-propelled motor vehicle, designed and constructed to transport specialized oil-field equipment and machinery over the highway from one job site to another is a "highway motor vehicle" for purposes of the highway use tax imposed by section 4481 of the Internal Revenue Code of 1954.

Held, under the authority granted by section 7805(b) of the Code, Revenue Ruling 69-340 will not be applied with respect to use occurring before July 1, 1969.

Revenue Ruling 69-340 is hereby amplified.