34 C.F.R. § 300.139
(b) Transportation—(1) General.
(i) If necessary for the child to benefit from or participate in the services provided under this part, a parentally-placed private school child with a disability must be provided transportation—
(2) Cost of transportation. The cost of the transportation described in paragraph (b)(1)(i) of this section may be included in calculating whether the LEA has met the requirement of § 300.133.
(Approved by the Office of Management and Budget under control number 1820-0030)
(Authority: 20 U.S.C. 1412(a)(10)(A))