This is definitely a win for affiliate:
Now, when an unfavorable change is made to a merchant’s campaign (e.g., decrease in cookie duration, decrease in commission, etc.), the terms that apply when a sale or lead occurs are those that were in place at the time of the affiliate promotion—up to 60 days back.
Especially good for paid search affiliates and loyalty.

Full write-up here: http://blog.linkconnector.com/lc-new...-new-standard/