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 The Prohibition of Alcohol: Bootleggers The prohibition of alcohol in the United States was a result of the passage of the 18th Amendment to the Constitution.2  Effective from 1920 until its repeal in 1933, Prohibitiâ¦. A Brief History on the Prohibition of Alcohol In 1920, the National Prohibition Act was implemented in the United States. 2  This act banned the manufacture, sale and transportation of alcohol within the country.