So far as I'm aware Avalara still only compensates on the first year sale (20%?) -- though they've undertaken an email campaign which appears designed to recruit more partners.
http://app.news.avalara.com/e/f2.aspx?elqFormName=july2014_msp-partner-reengagement5&elqSiteID=706&C_EmailAddress=
wayne@s-consult.com&elq=a6d7626ee60941478ec3c8a1a21c4c47&elqCampaignId=1827