Perth shops may be staying open until 7pm or 9pm. 
Colin Barnett preference for 9pm is already being challenged by Labor MPs insisting on a 7pm closing time.
Colin Barnett wanting extended shopping hours 9pm, while remaining opposed to relaxing the restrictions on Sunday trading, he needs Labor support to pass the changes.
National Party leader Brendon Grylls, has stated he will not support the Liberals on any extensions to weeknight trading hours.
Mr Catania this week circulated a letter to his colleagues urging them not to support more shopping hours in Perth.
Oppostion feel there is no need to change the current trading hours in WA .
They feel they will only benefit Coles and Woolworths , no other retailers will open.
Harvey Norman, Myer and David Jones have stated they will continue to close the doors at 5.30pm they will not change their closing hours.
Four years ago a referendum was held and rejected to extend trading hours.
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