100Offence to tamper with a sample

100 Offence to tamper with a sample (1) A person must not, without reasonable excuse, do any of the following to a sample obtained in accordance with a testing direction made under this Part— (a) interfere or tamper, or attempt to interfere or tamper, with that sample; or (b) substitute, or attempt to substitute, another sample for that sample; or (c) pass off, or attempt to pass off, another sample for that sample. See section 72 of the **Criminal Procedure Act 2009**, which deals with the evidential burden of proof. (2) Without limiting the operation of subsection (1), interfering or tampering with a sample includes— (a) improperly processing a sample for the purpose of falsifying test results; or (b) diluting or adulterating a sample.