"We were on the point of signing (the accord) but we preferred to give some time to study the internal rules at the request of certain parties," said fellow delegate Riad Seif, reportedly seen by Washington as a potential new opposition chief.
The particants were set to resume their talks at 0700 GMT.
The deal is based on an initiative by Seif which envisages the formation of a transitional executive to deal with the international community and the channeling of aid.
Under Sief's plan the 10-member transitional government would be elected by a new 60-member umbrella group drawn from civilian activists and rebel fighters inside Syria, as well as by the exiles who have dominated the Syrian National Council (SNC).
The SNC was once regarded as the leading opposition representative but is increasingly derided in Washington as dominated by out-of-touch exiles.
The SNC had already twice asked for a postponement of the talks on plans for a broad-based government-in-waiting.
According to watchdog the Syrian Observatory for Human Rights, more than 37,000 people have died since the uprising against President Assad erupted in March 2011, first as a protest movement and then as an armed rebellion.
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The particants were set to resume their talks at 0700 GMT.
The deal is based on an initiative by Seif which envisages the formation of a transitional executive to deal with the international community and the channeling of aid.
Under Sief's plan the 10-member transitional government would be elected by a new 60-member umbrella group drawn from civilian activists and rebel fighters inside Syria, as well as by the exiles who have dominated the Syrian National Council (SNC).
The SNC was once regarded as the leading opposition representative but is increasingly derided in Washington as dominated by out-of-touch exiles.
The SNC had already twice asked for a postponement of the talks on plans for a broad-based government-in-waiting.
According to watchdog the Syrian Observatory for Human Rights, more than 37,000 people have died since the uprising against President Assad erupted in March 2011, first as a protest movement and then as an armed rebellion.
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