What rule is used as a guideline for determining which of two parents with medical coverage has the primary insurance for a child?

Question

Quizplus · Accepted Answer

The Birthday Rule is used to determine which parent's insurance is primary for a child when both parents have medical coverage. It states that the parent whose birthday (month and day, not year) comes first in the calendar year has the primary insurance for the child.

What Rule Is Used as a Guideline for Determining Which