Q. Would I qualify for the state of Maine tax benefit if I contribute to the 529 plan opened by my daughter?
A. Yes.
Q. Or do I need to open a separate 529 account with me as the administrator?
A. No.
Reference: see the link. provided by @Bsch4477 , above.
For others reading this, this is true in most other states. But, you should verify your state's rules ahead of time.
