30Matters for proceedings for offence against section 79 or 83 or the Criminal Code, section 328A#

In a proceeding for an offence against section 79 or 83 or the Criminal Code, section 328A, unless the contrary is proved— a qualified assistant who takes a specimen of blood from a person for a laboratory test is to be taken to have been directed by a doctor or nurse to take the specimen; and any equipment used in a laboratory test of a specimen of blood or saliva is to be taken to have given accurate results.