Authorized signers do have transactional rights to the account and any other rights accorded by the business resolution in force at the time.
I would do nothing until the copy of the new resolution appears. And then I would scrutinize it or send it to my legal counsel to make sure it's valid (e.g., did the prior business resolution require multiple signatures?).
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I hear and I forget. I see and I remember. I do and I understand.--Confucius