The Importance of âSpecificityâ. in a Client Contract: ï®I understand that if I am late for a test, or miss a test, it will be considered as a positive test for. drugs/alcohol and that I may be sanctioned. ï®I understand that if I fail to produce a urine. specimen or if the sample provided is not of.
Ratified on January 29, 1919, the 18th Amendment went into effect a year later, by which time no fewer than 33 states had already enacted their own prohibition legislation. In October 1919, Congress passed the National Prohibition Act, which provided guidelines for the federal enforcement of Prohibition.
1 Prohibition of alcohol occurs in the United States. 2  Prohibition in the United States began January 16, 1919, with the ratification of the Eighteenth Amendment to the U.S.Constitution, effective as of January 17, 1920, and it continued throughout the 1920s.