key term(Alexander Demidov); material provision(договора vasvas); fundamental term(договора. The terms of a contract can be divided into fundamental terms (sometimes referred to as conditions in the UK) and warranties, which are minor terms. Breach of a fundamental term permits the innocent party to terminate the contract, while breach of a warranty does not justify termination but may entitle the innocent party to claim damages. LE2. ... three options available to an employee when an employer attempts to make a unilateral amendment to a fundamental term for contracted employment. Alexander Demidov)
essence(of the contract Alexander Demidov); conditions(A term of a contract which is of such vital importance that it goes to the root of the transaction; essentially it is a major term of the contract. Breach of a condition gives rise to the claimant's right to terminate the contract (treat the contract as discharged) and claim damages for any loss. PLG. an essential or material contract term: As they've breached a condition, you'll be able to terminate the contract and sue for damages. TED Alexander Demidov); essential conditions(ABelonogov); essential terms(AD evva); material terms(max UK hits (for "material terms of the contract") – АД); fundamental terms(A term in a contract that is of such importance to the contract that to omit it would make the contract useless. Fundamental terms cannot be exempted from a contract, whereas lesser terms, known as conditions and warranty, can be exempted by mutual consent. OB&M Alexander Demidov)