§ 52.61. Duration of renewal.
35 words·~1 min read·
/us/cfr/t10/s§ 52.61·A research copy — for the controlling text, always check the official state or federal source. Not legal advice.
Each renewal of certification for a standard design will be for not less than 10, nor more than 40 years. [72 FR 49517, Aug. 28, 2007, as amended at 90 FR 28873, July 2, 2025]