12 C.F.R. § 1202.6
If FHFA determines that your request does not reasonably describe the records you seek, cannot be processed for reasons related to fees, or lacks required information, you will be informed in writing why your request cannot be processed. You will be given 15 calendar days to meet all requirements. If you are notified that your request cannot be processed for the reasons cited herein, your request will be placed on hold and will not be considered as being received by FHFA for the purpose of processing your request under this part.
[82 FR 13745, Mar. 15, 2017, as amended at 83 FR 5683, Feb. 9, 2018]