34 CFR § 300.306 - Determination of eligibility.
(a) General. Upon completion of the administration of assessments and other evaluation measures -
(1) A group of qualified professionals and the parent of the child determines whether the child is a child with a disability, as defined in § 300.8, in accordance with paragraph (c) of this section and the educational needs of the child; and
(b) Special rule for eligibility determination. A child must not be determined to be a child with a disability under this part -
(1) If the determinant factor for that determination is -
(i) Lack of appropriate instruction in reading, including the essential components of reading instruction (as defined in section 1208(3) of the ESEA as such section was in effect on the day before the date of enactment of the Every Student Succeeds Act (December 9, 2015));
(ii) Lack of appropriate instruction in math; or
(iii) Limited English proficiency; and
(2) If the child does not otherwise meet the eligibility criteria under § 300.8(a).
(c) Procedures for determining eligibility and educational need.
(i) Draw upon information from a variety of sources, including aptitude and achievement tests, parent input, and teacher recommendations, as well as information about the child's physical condition, social or cultural background, and adaptive behavior; and
(ii) Ensure that information obtained from all of these sources is documented and carefully considered.