It depends on the size of your commercial station. A microcaster has a $500 minimum payment; my station's minimum is $2,000; "big" stations have a $25,000 minimum. Other classes of webcasters (such as educational (college) or NPR) may have other minimums (or maximums).

There are many different limits put into place, based on how many hours of music you webcast per month, how much income (not profit) you make, how much your expenses are. The deal/agreement reached this week covers larger entities that are not able to be covered under the agreements reached earlier this year. The March 3, 2009 Federal Register agreement only covers small webcasters, and microcasters (a category so tiny I sincerely doubt anyone would use that option, as it leaves you open to huge payments if you regularly exceed 2 listeners at once.) I am one of the webcasters (ChristmasMusic247.com) mentioned in the footnote of page 9294 of the March 3, 2009 Federal Register; I know what I'm talking about. IANAL.