1973年，世界跆拳道联盟(WTF)正式成立。
In 1973 the World Taekwondo Federation (WTF) was officially established.
力波垫：垫子的弹性以及滑度必须在赛前经由世界跆拳道联盟认证通过。
Elastic mat: the degree of elasticity and slipperiness of the mat must be approved by the WTF before the competition.
并应于赛前一个月收到世界跆拳道联盟变更认可之回复，始得以排定赛程。
Approval for any changes in these rules must be received from the WTF one month prior to the scheduled competition.
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