Scotland's unique not proven verdict is illogical and should be abolished, according to Scottish Labour.
A public consultation has been launched to replace the system of three verdicts in criminal trials with two and to increase the majority required for conviction.
The consultation could lead to a Bill for not proven to be abolished, provided Scottish Labour can secure the required support.
The Scottish Government does not intend to legislate to abolish the verdict, the party said.
Labour MSP Michael McMahon, who is introducing the consultation, said: "Scotland is unique in having three verdicts in a criminal case, two of which are legally identical. This exists purely by accident of history and it seems to me illogical, inconsistent and confusing.
"This is compounded by juries not being allowed to be told, prior to considering their verdict, what the implications are of finding the case against a defendant not proven.
"I hope that everyone who has an interest in this issue participates in the consultation that is being launched today and I look forward to considering all the representations that are made."
The consultation will run until October 5.
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