(1) By July 1, 2021, at the request of an eligible student, a school district:

(a) May allow the student to transport his or her infant on a school bus or other student transportation vehicle provided by the district. The infant must be transported in a rear-facing child restraint system as defined in the federal motor vehicle safety standards in 49 C.F.R. Sec. 571.213;

(b) Must, in cases where a district denies a student's request to transport his or her infant by school bus, authorize other arrangements for individual transportation in accordance with RCW 28A.160.030.

(2) For the purposes of this section, "eligible student" has the same meaning as in RCW 28A.160.160.