Every person required to file any report under this part shall
maintain records on the matters required to be reported which will
provide in sufficient detail the necessary basic information and data
from which the documents filed with the Office of Labor-Management
Standards may be verified, explained or clarified, and checked for
accuracy and completeness, and shall include vouchers, worksheets,
receipts, and applicable resolutions, and shall keep such records
available for examination for a period of not less than five years after
the filing of the documents based on the information which they contain.
