Enforcement Rules of Medal Award Act Article 8
When awarding a Merit Medal, Exemplary Medal, there should be a period of three years between the awarding of another equivalent medal. Unless there are any special circumstances, no medal can be awarded within a shorter period.
中文原文 獎章條例施行細則第8條
凡頒功績獎章、楷模獎章，須於上次頒發同種獎章滿三年，始得為之，非因特殊情形，不得提前晉授。