400
If a child has health insurance coverage from two parents, according to the birthday law:
A. the father's insurance is always primary
B. the mother's insurance is always primary
C. the health plan of the person whose birthday (month and day) falls earlier in the calendar year will pay first
D. it is only in effect if the parents are divorced
What is " the health plan of the person whose birthday (month and day) falls earlier in the calendar year will pay first."