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Rules of Contract Interpretation
contracts Contracts are interpreted to give effect to the mutual intention of parties at contract time, insofar as ascertainable and lawful. Clear language governs. Written execution supersedes prior negotiations. Written parts control printed parts, and original parts control copied form parts; if contradicting, the latter is disregarded. Modification requires mutual assent; a written contract may be altered by a new writing or executed oral agreement.
Key Rules
- ✓Contracts are interpreted to give effect to the parties' mutual intention at contract time
- ✓Written parts control printed parts; original parts control copied form parts
- ✓A written contract may be altered by a new writing or an executed oral agreement
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Parol Evidence Rule
contracts The parol evidence rule prohibits introducing extrinsic (oral or written) evidence to vary or add to the terms of an integrated written instrument. Exceptions allow outside evidence when the contract is incomplete or ambiguous, or to show unenforceability from mistake, fraud, duress, illegality, insufficiency of consideration, or incapacity.
Key Rules
- ✓Parol evidence cannot vary or add to an integrated written contract
- ✓Extrinsic evidence is admissible when the contract is incomplete or ambiguous
- ✓Extrinsic evidence is admissible to show fraud, mistake, duress, or illegality
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Assignment of Contracts
contracts A contract is assignable unless it requires a personal quality or expressly/impliedly negates the right. An assignment transfers all the assignor's interests; the assignee stands in the assignor's shoes, subject to defenses. The assignor cannot escape obligations by assignment and remains secondarily liable as surety unless the obligee releases them. Assignment of a note carries incidental securities such as mortgages.
Key Rules
- ✓Contracts are assignable unless personal or expressly prohibited
- ✓The assignee stands in the shoes of the assignor, subject to defenses
- ✓The assignor remains secondarily liable unless released by the obligee
- ✓Assignment of a note carries incidental securities like mortgages
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Novation
contracts Novation is the substitution by agreement of a new obligation for an existing one, with intent to extinguish the old. It may involve a new obligation, a new debtor, or a new creditor. It requires intent to discharge the old contract, consideration, and other valid contract essentials. It may be written or implied from conduct.
Key Rules
- ✓Novation substitutes a new obligation for an old one with intent to extinguish the old
- ✓Novation requires consideration and the essentials of a valid contract
- ✓A creditor taking a promissory note does not discharge the original debt unless expressly agreed
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Methods of Discharge of Contracts
contracts Between full performance and breach, contracts may be discharged by: part performance; substantial performance; impossibility of performance; agreement between parties; release; operation of law; and acceptance of a breach.
Key Rules
- ✓Contracts may be discharged by full performance or breach
- ✓Other methods include impossibility, agreement, release, and operation of law
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Time for Performance
contracts If no time is specified, a reasonable time is allowed. Acts capable of instant performance must be done immediately upon being ascertained, unless otherwise agreed. If the last day for a legally required act is a holiday, the period extends to the next non-holiday.
Key Rules
- ✓A reasonable time is allowed when no time is specified
- ✓If the last day for performance is a holiday, the period extends to the next non-holiday