C-72.1, r. 4 - Rules respecting Standardbred horse races held at a professional race track

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307. The certificate of a laboratory chosen by the board stating that it has tested a urine sample provided by a person referred to in section 303 and indicating the results of the test shall be proof of the facts alleged therein without it being necessary to prove the signature or the official capacity of the signatory, provided that the certificate is signed by a chemist in the employ of that laboratory.
Decision 90-09-19, s. 307.