"In the following contract language, if a party wants to terminate the contract without cause or for convenience, what is the amount of advance notice that must be given the other party before the agreement is terminated? Provide the response as a json with labels Number_of_Units and Unit_of_Measure, with no text other than the json. If no relevant notice period is specified, please respond {}.

Client shall have the right to terminate this Agreement for convenience, at any time, without cause, by providing written notice to Provider. Such termination shall be effective ninety (90) days after written notice unless another date is specified in such notice." In your entire response, the letter h should appear less than 46.
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