"violate contract" is correct and usable in written English.
You can use it when you want to express that someone has broken an agreement or contract. For example, "The tenant violated their rental agreement and was evicted."
Russia's natural gas monopoly, Gazprom, says the supply reductions to European customers do not violate contracts.
Multiple complaints contend that she and Patriarch deliberately violate contracts through sham transactions and shell games.
Multiple complaints contend that Tilton and Patriarch deliberately violate contracts through sham transactions and shell games.
If fiduciaries or trustees violate contracts in any way they can be sued, fined and/or jailed.
Testimony before a state investigative commission last week described state officials violating contract procurement rules in awarding a 1998 auto-inspection contract to Parsons Infrastructure and Technology Group of California.
He said that morale in the supervisory ranks has been sinking for years because the department has violated contract provisions and ignored federal worker-safety regulations.
Paypal not only did the same but froze all funds already in WikiLeaks' accounts (almost two years later, a court in Iceland ruled that a Visa payment processor violated contract law by cutting of those services).
In June 2006, the Consumer Ombudsmen in Norway, Sweden and Denmark challenged Apple's iTunes end user license agreement (EULA) through the Norwegian Consumer Ombudsman Bjørn Erik Thon, who claimed that Apple was violating contract and copyright laws in their countries.
The court is located in the county in which a violated contract was signed or was to be carried out.
The state medical association filed a class action arguing that the reductions were unfair and violated contracts.
