The general rule is that a material variation of the terms of the principal contract that is made without the consent of the surety will discharge the liability of the surety -Holmes v. Brunskill, [1878] 3 Q.B.D. 495, at 505. A material variation is one that alters the risk and it has been held that a change of interest rate will discharge the surety from liability.
"The most advanced legal research software ever built."
The above passage should not be considered legal advice. Reliable answers to complex legal questions require comprehensive research memos. To learn more visit www.alexi.com.