<div id="readability-page-1">TAIPEI, March 12 (Reuters) - Taiwan's three main political parties agreed on Thursday to authorise its government to sign U.S. agreements for four arms sales packages, after officials warned that Taipei would go to the back of the line if it missed the deadline. The back and forth on Taiwan's defence spending has provoked concern in the United States, as it is the most important international backer and arms supplier of the Chinese-claimed island, despite a lack of formal diplomatic ties. President Lai Ching-te's government has tried to get parliament to pass $40 billion in extra defence spending but the opposition, which controls the most seats, says the proposals are unclear, and it cannot be expected to pass &#34;blank cheques&#34; despite supporting defence. Both opposition parties have come up with their own, less expensive proposals, but the defence ministry has said the letters of offer and acceptance for the weapons with the United States have to be signed or Taiwan would lose its place in the production and delivery queue. Lawmakers from both sides agreed during a meeting of parliament's foreign affairs and defence committee that the government can still sign the agreements in advance, even if the reviews of the spending proposals are not approved in time. The weapons to be signed for include TOW anti-tank missiles, M109A7 self-propelled howitzers, Lockheed Martin ( LMT )-made Javelin missiles and the HIMARS multiple launch rocket system. On Tuesday, Defence Minister Wellington Koo told reporters the HIMARS letter expired on March 26, for 82 systems the U.S. announced as part of an $11-billion arms sale package for Taiwan. Sunday is the deadline to sign for the other weapons systems, the ministry says. Last month, a bipartisan group of 37 U.S. lawmakers voiced concern to senior Taiwan lawmakers about the stalled plans. The Trump administration has pressed allies to increase defence spending, a plank Lai and his government have enthusiastically embraced. (Reporting by Ben Blanchard; Editing by Clarence Fernandez)</div>

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台灣的三大主要政黨已達成一致，允許政府簽署美國的四個軍售協議，以應對對國防支出延遲的擔憂。這些協議包括 TOW 反坦克導彈、M109A7 榴彈炮、標槍導彈和 HIMARS 系統。簽署的截止日期臨近，警告稱如果未能及時簽署，台灣可能會失去在生產隊列中的位置。美國對計劃停滯表示關切，強調台灣需要增加國防支出

台灣各政黨同意政府可以簽署停滯的美國軍售協議