The OSPI reports to the Secretary of the U.S. Department of Education annually as required by the office of special education programs the number of students aged three through twenty-one residing in the state who are receiving special education and related services. This report is based on the school districts' annual federal count of eligible students provided to OSPI on a date selected by OSPI between October 1st and December 1st of each year.

(1) Information required in the report includes:

(a) The number of students receiving special education and related services;

(b) The number of students aged three through five receiving special education and related services;

(c) The number of students aged six through seventeen, and eighteen through twenty-one within each disability category; and

(d) The number of students aged three through twenty-one for each year of age (three, four, five, etc.).

(2) For the purpose of this part, a student's age is the student's actual age on the date of the child count.

(3) A student may not be reported under more than one disability category.

(4) If a special education student has more than one disability, the student is reported as follows:

(a) A student with deaf-blindness and not reported as having a developmental delay must be reported under the category "deaf-blindness."

(b) A student who has more than one disability (other than deaf-blindness or developmental delay) must be reported under the category "multiple disabilities."

(5) School districts must provide OSPI a certification signed by an authorized official of the district, stating that the information provided by the district is an accurate and unduplicated count of special education students receiving special education and related services on the dates in question.