This document consolidates, clarifies, and updates federal regulations on Head Start services for children with disabilities. The regulations are designed to complement the Head Start Program Performance Standards governing services to all enrolled children. Specifically, these regulations require Head Start programs to: (1) design comprehensive services for locating and serving children with disabilities and their parents; (2) develop an Individualized Education Program (IEP) to provide appropriate special services for each child with a disability; (3) screen children by 45 days after the start of Head Start program services in the Fall; (4) use Head Start diagnostic criteria to determine a child's eligibility for special education and related services; (5) designate a coordinator of services for children with disabilities with specific responsibilities; and (6) operate in accordance with guidance on the use of program funds. Extensive guidelines on application of the performance standards are presented. (DB)