On the testing requirement, section 234C(5) of the Criminal Procedure (Scotland) Act 1995 states that"the testing requirement shall specify for each month the minimum number of occasions on which samples are to be provided".That provision is mandatory, whereas the Act of Adjournal states that the offender shall provide"for the purpose of ascertaining whether he has any drug in his body such samples, of such description, at such times, in such circumstances, as the treatment provider may...