Section 1435 (a) (16)

(16) Policies and procedures to ensure that, consistent with section 1436(d)(5) of this title—

(A)
to the maximum extent appropriate, early intervention services are provided in natural environments; and
(B)
the provision of early intervention services for any infant or toddler with a disability occurs in a setting other than a natural environment that is most appropriate, as determined by the parent and the individualized family service plan team, only when early intervention cannot be achieved satisfactorily for the infant or toddler in a natural environment.