A testing institution shall formulate a file control procedure to regulate the formulation, revision, periodical examination, distribution, control, archiving and storage of the related files. The files and records relating to the test shall be stored for two years at least, and where necessary, the period may be extended according to the requirement of the consignor.

A testing institution shall establish relevant archives, including personnel data, custody and control form, quality manual, quality management and quality assurance records, all original test data, test report, inspection and performance test reports, data printed by computer, and other relevant files and data, all in safe storage.