The master deed governs. If the trustees are misconstruing the terms of the master deed and/or declaration of trust... You may have recourse. Speak with a condominium lawyer.
The answer provided is intended for general informational purposes only and should not be construed as a substitute for consultation with legal counsel for specific planning or legal advice. Neither the answer provided or communication through this web site are intended to provide legal or other advice or to create an attorney-client relationship.