Enforcement
Carrying Out
noun, する verb
When you go to carry out something, you are carrying out whatever it is. In a legal context, if you carry something out, such as a law, then it's known as enforcement.
しこう
せこう
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This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well. An alternative reading is せこう, which is more often used by legal professionals.
この法律の施行の責任を誰が負っていたのか覚えていますか？
Do you remember who is responsible for the enforcement of this law?