Answer:
by Ken Golliher:
There are no restrictions on what types of accounts can be offered to "non profits" or charitable organizations. Eligible accounts include:
Non interest bearing DDA
Interest bearing DDA
NOW
MMDA
Other types of savings accounts
Time deposits
Answer:
by John Burnett:
Viewed from the opposite perspective, other than any restrictions your bank may impose, there are no eligibility requirements for a money market deposit account.