Sales of liquor in Sleman Regency is can only be done by direct seller and retail seller as
regulated by Article 16, 17, 18, 19, and sales of liquid must have liquor trade permit as
regulated by Article 24 of Regional Regulation of Sleman Regency Number 8 of 2019
about Control and Supervision Liquor and Prohibition Mixed Drink. To study that
matters, so the researcher doing a research in Sleman Regency Civil Service Police Unit
and illegal liquor seller in Sleman Regency. This study aims to knows effectiveness of
Regional Regulation of Sleman Regency Number 8 of 2019 about Control and
Supervision of Liquor and Prohibition Mixed Drink to prevent illegal sales of liquor in
Sleman Regency. This research is using empirical legal research conducted with field
studies to obtain primary data which is then supported by secondary data from library
research. All data are collected through qualitative methods. The results showed that
Regional Regulation of Sleman Regency Number 8 of 2019 about Control and
Supervision of Liquor and Prohibition Mixed Drink was ineffective because of Law
Enforcer factors, Society factors, Law factors.