The Legislative Council will this week thrash out amendments to Tasmania's proposed voluntary assisted dying laws.
It is expected to sit late into Tuesday night to drill down on the amendments before a vote on the legislation is taken.
If the vote is not taken on Tuesday night it will most likely be finalised on October 27.
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Mersey Independent MLC Mike Gaffney remains hopeful the voluntary assisted dying bill he introduced will pass the Legislative Council.
"There is a slim chance there will be a vote on Tuesday night but it is a large bill and there are a number of amendments from several members to consider," Mr Gaffney said.
"It is the first time a bill on voluntary assisted dying has reached the committee stages so that is very positive.
"Most of the members are pleased that the bill is strong."
It is the fourth attempt to get voluntary assisted dying laws passed in Tasmania.
If the bill passes the Upper House, Mr Gaffney hopes the House of Assembly will vote on it in November.
"There will be time for them to debate it before Christmas," he said.
Mr Gaffney wants his private members bill to be better than legislation that has passed both the Victorian and Western Australian parliaments.
Murchison Independent MLC Ruth Forrest has proposed amendments relating to the prognostic time frame for a person with a terminal illness and also in relation to its review if is passed.
"The overwhelming view of the medical profession and my local community is you need a prognostic time frame and not have it open ended as it is now," she said.
Ms Forrest also wants a five member VAD commission rather than a sole VAD commissioner.
Dr Cam McLaren, a medical oncologist at Monash Health in Melbourne, said the proposed Tasmanian End-of-Life Choices (Voluntary Assisted Dying) Bill was a well thought-out bill that had learned from the Victorian experience and adapted to a Tasmanian setting.
"From our experience, legislation is the primary, but not the only, provision of safety in VAD; if it is adopted, the implementation period will be extremely important to ensure that the practitioners are well-educated and prepared to manage patients who choose this end of life option," Dr McLaren said.
Victorian Dr Nick Carr said Victoria was privileged to have voluntary assisted dying legislation but there were limitations.
"You have the opportunity in Tasmania to vote for a law that not just takes the best of what we have in Victoria, but improves upon it," Dr Carr said.
"I would urge you to have the courage to keep these improvements as part of the bill, and show the rest of Australia that Tasmania has understood the experience in Victoria, and has the wisdom and maturity to craft an improved version."