§ 52.147. Duration of design approval.
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/us/cfr/t10/s§ 52.147·A research copy — for the controlling text, always check the official state or federal source. Not legal advice.
A standard design approval issued under this subpart is valid for 15 years from the date of issuance and may not be renewed. A design approval continues to be valid beyond the date of expiration in any proceeding on an application for a construction permit or an operating license under part 50 or a combined license or manufacturing license under part 52 that references the final design approval and is docketed before the date of expiration of the design approval.