826. Onus of proof and evidence in general.

826.     Onus of proof and evidence in general.

In any proceedings for an offence under any of the relevant statutory provisions1 consisting of a failure to comply with a duty or requirement to do something so far as is practicable, or so far as is reasonably practicable2, or to use the best practicable means to do something, it is for the accused to prove3 (as the case may be) that it was not practicable or not reasonably practicable to do more than was in fact done to satisfy the duty or requirement, or that there was no