34 CFR § 303.20 - Individualized family service plan.
Individualized family service plan or IFSP means a written plan for providing early intervention services to an infant or toddler with a disability under this part and the infant's or toddler's family that—
(a) Is based on the evaluation and assessment described in § 303.321;
(b) Includes the content specified in § 303.344;
(d) Is developed in accordance with the IFSP procedures in §§ 303.342, 303.343, and 303.345.