All-Australian umpire Brett Rosebury admits he and his fellow officials are frustrated at being left in the dark as to what trial rules will be introduced for the new AFL season.

The AFL commission will meet this Friday to decide which laws should be introduced for the '09 campaign, with the controversial rushed behind rule heavily tipped to be given the nod.

"It would be nice to have all that wrapped up so in the last week in the last practice game we could have practised 100 per cent what we know what was going to be right for round one," Rosebury said.

"The rule still hasn't been given the tick so it would be nice to know - they are really seriously looking at it and I think it will come in.

"But it would be good to know 10 days out from round one what the rule is for the year.

"The trial rules are generally pretty easy to pick up but this one has probably been a little bit more interpretation.

"Like any rule unless you are practising the rule or seeing a lot of decisions it is hard to get that consistency.

"We have made a few errors in our group."

Rosebury, who has officiated 148 AFL games, admitted he erred in penalising Eagles defender Scott Selwood for punching through a kick on goal during West Coast's loss to the Dockers earlier this month.

"If I had my time again I definitely would not have paid it," Rosebury said at the Eagles' launch on Tuesday and as reported by WAtoday.

"In hindsight it is always wonderful to reflect on your decisions, but not all that wonderful when they are shocking like that one."

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