What fees can be paid to Realtors that aren't considered commission?

[Justin McClelland]

I understand that most Realtors split a portion of their commission with their Broker per transaction. What I would like to know from the Realtors out there is what fee's can be accepted from a non-Realtor, that's not associated with a closing, and also isn't deemed a commission?

For example, in the past I've paid "consultation" fees to agents that have helped with a property, but weren't my representation as a Realtor.