15 CFR §285.10

1. (a)An accredited laboratory must submit both its application for renewal and fees to NVLAP prior to expiration of the laboratory's current accreditation to avoid a lapse in accreditation.
2. (b)On-site assessments of currently accredited laboratories are performed in accordance with the procedures in § 285.7. If nonconformities are found during the assessment of an accredited laboratory, the laboratory must follow the procedures set forth in § 285.7(e)(2) or face possible suspension or revocation of accreditation.