When A Records Request Fails

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When a citizen makes a records requests and the records that were received don’t match the request, what should the citizen do?

The records I received match the request I made in that they relate to the governmental entity and its relationship to a certain business, but they are for a time period much older than what I requested. Further, what wasn’t supplied to me are documents that I am certain exist, and would be dated within the time frame I specified.

Do citizen records requests come with a warranty?