THE Liberals have seized on a letter from the Tasmanian Sawmillers Association to claim that the state's new forestry deal has been rushed through parliament.
The association was one of 10 signatories to the Tasmanian forest peace deal passed by the House of Assembly on Friday.
In a letter to the Premier, association chairman Fred Ralph said his signature was subject to ratification of the deal by members, who are yet to vote on it.
Another industry group, Timber Communities Australia, is consulting its membership before deciding to whether to sign the agreement.
Opposition Treasury spokesman Peter Gutwein said this detail indicated that the deal was not sewn up.
"The membership has to make this decision - it is now up to them whether this deal goes ahead," he said.
"I would urge the members of those organisations not to shut down the Tasmanian forestry industry and to stand up and throw this deal out."
Deputy Premier Bryan Green said the Liberals were clutching at straws.
"I take the signatures on the document as ... a commitment to see this thing through," he said.
"The Liberals are somehow trying to suggest we're playing politics with respect to this.
"We're not. Let's face it, this has hardly been a vote-gaining exercise for the Labor Party."
The legislation will now head to the Legislative Council.
Launceston MLC Rosemary Armitage said she had received about 60 emails, mostly from women, with only two or three in support of the forestry agreement.
The agreement protects 504,012 hectares of native forest from logging by 2015 while allocating 137,000 cubic metres of sawlogs a year for industry.
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