What are the three ways a valid contract can be discharged?
1 Performance
2 Breach
3 Frustration
What is the general rule for performance of a contract?
Performance must be complete and exact.
Which case established the rule of complete performance?
Cutter v Powell – sailor died before completing voyage; no payment.
What are divisible contracts?
Contracts divided into units where payment is due for each completed unit.
Case for divisible contracts?
Ritchie v Atkinson – contract paid per unit delivered.
What is substantial performance?
When a party completes most of the contract but with minor defects.
Case showing substantial performance allowed?
Hoenig v Isaacs – £55 defects deducted from price.
Case showing performance not substantial?
Bolton v Mahadeva – central heating only 70% effective.
What is prevention of full performance?
When one party prevents the other from completing the contract.
Case for prevention of full performance?
Planche v Colburn – author stopped from finishing book.
What is acceptance of partial performance?
When the other party voluntarily accepts incomplete work and must pay for it.
Case for acceptance of partial performance?
Sumpter v Hedges – partial building work accepted.
What is the general rule about timing of performance?
Timing is usually an innominate term.
When can time become ‘of the essence’?
1 Contract expressly states it
2 Notice is given
3 Circumstances show time is essential.
Case showing time expressly stated as essential?
Union Eagle v Golden Achievement – late completion invalid.
What happens if a condition is breached?
Contract can be repudiated + damages.
Case for breach of condition?
Poussard v Spiers & Pond.
What happens if a warranty is breached?
Only damages available.
Case for breach of warranty?
Bettini v Gye.
What happens when an innominate term is breached?
Depends on seriousness of the breach.
Case for innominate terms?
Hong Kong Fir Shipping.
What are the two types of breach?
Actual breach and anticipatory breach.
What is anticipatory breach?
When a party indicates before performance that they will not perform.
Case for anticipatory breach?
Hochster v De La Tour – tour guide dismissed early.