Logic not opinion.
Because all drugs have some sort of a "half life" which is determined by the chemecial make up of the drug and the individual's metabolism, when combined with the sensitivity of the test may result in lengthy detox requirements.
Since BF can be tested at any time including but not limited to the day of sentencing, therefore, bf should stop taking illegal drugs well before his sentencing so as to avoid an immediate parole violation, the drugs don't disappear the moment of sentencing nor do they give them a grace period.
