Sec. 300.322 (a)

(a) Public agency responsibility—general. Each public agency must take steps to ensure that one or both of the parents of a child with a disability are present at each IEP Team meeting or are afforded the opportunity to participate, including—

(1) Notifying parents of the meeting early enough to ensure that they will have an opportunity to attend; and
(2) Scheduling the meeting at a mutually agreed on time and place.