Rondo seems to be away from his computer, so I'm going to have to take full author-i-tie on this one:
FASCIST COMMISSIONER RULING
You can select a seasonal beer to serve year long - but you're taking the whole line of beers.
For example, if I wanted to serve Sam Summer all season, I'm taking all of Sam Adam's seasonals and just opting not to sell the others.
You can't take a seasonal beer that's already been selected.
----
Clear?
Meh, I understand it, but I don't get why you need the whole season if you just want one beer.
I just figured it'd be the simplest way to institute it. Anybody else?
Dons' post nailed it.
Regarding Seasonals, you get 2 options:
1) Pick the line, and your tap rotates with the seasons
2) Pick a single seasonal beer as a year-round feature
If you choose option 2, you must ensure A) Nobody else has taken the line, and B) nobody else has taken the beer. If either A or B is true, the beer is off limits.
Example:
1)Rondo takes Sams Summer Ale as a year round pick, I'm free to pick Sam's Oktoberfest as a year-round pick, but not the Sams' seasonal line, or Sams' summer
2) Rondo has picked Sams' Seasonal as a line, so all Sams seasonal beers are off limits to everyone else, which means I cannot select any beer in the Sams Seasonal as a year-long feature.