District of Columbia Code Division VI. Education, Libraries, and Cultural Institutions. § 38-505. School attendance without immunization.

(a) With respect to any student who has been admitted to a school and for whom the school does not receive a certification of immunization reflecting immunization or an exemption from immunization for each immunization on the list of immunizations, the school shall:

(b) Unless otherwise provided in the exclusion standards issued pursuant to § 38-503 and notwithstanding subsection (a)(2) of this section, if immunization requires a series of treatments that cannot be completed within 20 school days after notification, the student shall be permitted to attend school while the treatments are continuing if, within the 20 school days, the school receives written notification from the provider administering the treatment that the immunization is in progress.