However, the proposal has not yet reached the agenda at meetings of regional leaders, according to Urata.
Meanwhile, Wu readdressed Taiwan's intention to be included in regional trade integration programs.
After signing its first FTA with Panama on Aug. 21, Taiwan is now actively seeking to create FTAs with Japan, Singapore and the US.
However, many nations are reluctant to sign the pact due to the political influence exerted by China.
"It will be unjust to exclude Taiwan from regional trade cooperation, since Taiwan has the 15th largest economy in the world and is a member of the WTO," Wu said.
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