Just saw this on the RACQ website. Tested it through uber eats and was not asked for my RACQ number so should work for everyone.
Note - new account required.
Limited to new users only. A promo for unlimited free delivery until Feb 13th. An amount equivalent to the delivery fee will be deducted from your total order value as a promotion each time. Promo code must be entered into the Uber Eats app prior to ordering.This promotion cannot be used in conjunction with any other Uber Eats promo.Additional fees (non-delivery) may apply.Valid only in Australia where the Uber Eats app is available. Expires 11:59pm Thursday 13th Feb 2020.