They are in breach of Article 119.

他们违犯了第119条。

You are in breach of your contract.

你违反了你签的合同。

You are in breach of your contract.

你违反了你们的合约。

Your company are in breach of the contract.

你们公司违反了合同。

He was technically in breach of contract.

严格按照法律条文来讲，他是违约了。