29 CFR § 516.7 - Place for keeping records and their availability for inspection.

(a) Place of records. Each employer shall keep the records required by this part safe and accessible at the place or places of employment, or at one or more established central recordkeeping offices where such records are customarily maintained. Where the records are maintained at a central recordkeeping office, other than in the place or places of employment, such records shall be made available within 72 hours following notice from the Administrator or a duly authorized and designated representative.

(b) Inspection of records. All records shall be available for inspection and transcription by the Administrator or a duly authorized and designated representative.