SAN JOSE, July 19 (Xinhua) -- The delegation representing Honduras' deposed President Manuel Zelaya said on Sunday it would abandon talks being held here if the post-coup government does not accept mediators' proposals.

    "We are going to sit down and see if the coup-mongers accept the proposals made by President (Oscar) Arias, if they don't accept, dialogue is over," Aristides Mejia, a spokesman for Zeyala's delegation, told media.

    Costa Rican President Oscar Arias is mediating the talks at his home in San Jose.

    On Saturday, Arias presented a compromise plan under which Zelaya would return to office in a unity government. Other elements of the plan include an amnesty for all crimes before and after the coup, the moving up of presidential elections scheduled for November to October, the army, which toppled Zelaya, submitting to the electoral authorities the month before the elections, and Zelaya's shelving any campaign for constitutional reforms.

    Mejia traveled to Nicaragua on Saturday and met with Zelaya and consulted him about Arias' proposals. Zelaya said that no secondary points should be discussed ahead of the main issue: Zelaya must be returned to office, according to Mejia.

    Earlier on Sunday, the delegation sent by Honduras' post-coup government accused Zelaya of acting in bad faith, for insisting that Honduras go ahead with a non-binding referendum that might eventually lead to constitutional reform, known in Honduras as the "fourth ballot box" debate.

    Zelaya's June 28 deportation came just hours before such a referendum was due to take place, asking if citizens would like to see a fourth ballot box at the nation's general elections in a bid to change the nation's constitution.

    Mejia responded that the referendum topic is a secondary issue, until the issue of Zelaya's remaining time in office, which ends on Jan. 27, has been resolved.

    Separately in Nicaragua, Zeyala's Foreign Minister Patricia Rodas told media that "the coup leaders' time is up. They will have to attack resolutions that oblige them to vacate the sacred national space that they usurped," she told a public ceremony marking the 30th anniversary of the Sandinista Revolution.

    She said that Honduran cities of Choluteca, San Pedro Sula and Tegucigalpa would each see large marches against the post-coup government.