Beside this, do they watch you pee for a drug test for a job?
Although it can be easy to alter the sample, neither your employer nor the lab assistant will watch you while you collect the sample.
Furthermore, why do they say don't flush after a drug test? "If they cannot supply a specimen, then it's assumed that they choose not to supply." If you can't go, you fail, unless you can prove that you are medically incapable of urinating. - You will be told not to flush the toilet when you finish.
Regarding this, can you be observed during a drug test?
New transportation industry drug testing rules permit direct observation of urine collection and the partial removal of clothing, including underwear, to ensure that no devices containing drug-free urine are being used to cheat the test.
Are random drug tests legal?
Random driver drug testing
It is an offence under the Road Transport Act 2013 (NSW) to drive with THC (the psychoactive ingredient of cannabis), cocaine, methamphetamine or ecstasy 'present' in the driver's saliva, blood or urine (although only saliva is usually tested).
