I believe you can be 18 but you must have attended bartending school which gives you a seller/server license.
18
18 to serve 21 to drink
You must be at least 18 years old to serve alcohol in Arkansas as a server or bartender.
18
19
21 years
They can work in a Bar if they have their RSl but they cannot serve alcohol until they are 18.
You have to be eighteen
No, it is not legal to serve alcohol to individuals who are 18 years old in Washington. The legal drinking age in Washington is 21.
In Missouri, you have to be at least 21 years old to serve alcohol in a licensed establishment.
They serve alcohol, so probably at least 18.
Twenty-one.