With the birthday rule, one parent's coverage, called the"primary" insurance plan, pays first. Then the other parent's plan, called "secondary" insurance ... their insurance companies to ask about ...

To further muddy the waters, card reviews and advertising generally label the insurance as primary or secondary. Before applying for a card, it’s worth knowing the differences between these ...

Les Masterson is a deputy editor and insurance analyst at Forbes Advisor. He has been a journalist, reporter, editor and content creator for more than 25 years. He has covered insurance for a ...