On February 8, 1887, they announced, "The letter shape "T" shall be used as a badge of the Ministry as of now", but it became apparent that the shape can be confused with an universal symbol "T", meaning unpaid or insufficient charges.
明治20年（1887年）2月8日、「今より（Ｔ）字形を以って本省全般の徽章とす」と告示したものの、これが万国共通の料金未納・料金不足の記号「T」と紛らわしいことが判明した。