Under the original proposals agreed last term, Treasury & Resources had delegated authority to approve the business case without it going back to the Assembly.
That now rests with Policy & Resources, but total indicative costs are now up to around £32m., more than the £29.5m. delegated authority approved.
States' Trading Assets has already stressed that timing is critical, with only a couple more years' life left at Mont Cuet, making it very difficult for deputies to change the plan to ship waste to Sweden via the UK.
Jersey has recently reiterated its desire to do a deal.
'A full business case covering all the different elements of the strategy has been prepared and has been undergoing the normal review process,' said States' Trading Assets deputy managing director Richard Evans.
'This includes detailed final costings for the strategy, which, as has been highlighted previously, will be equivalent to around £7 per household per week, on average.
'That is to cover the full cost of the strategy, including all the new facilities required, collections of both waste and recycling, all the on-island processing, separation and sorting of recyclables and all the export and off-island treatment costs.'
