With "turf issue" over tax payer jurisdiction continuing to clog GST Council deliberations, the Goods and Services Tax rollout could be delayed by a quarter to July 1 as industry would require time to prepare itself, experts said. The Council, chaired by Finance Minister Arun Jaitley, in its six meetings so far has taken unanimous decisions on 10 issues while three more — dual control, list of items in tax bracket and model CGST and IGST laws — are still pending.