Rules of Interpretation of an Insurance Policy
When insurer and insured read one sentence two ways, these rules settle it.
A policy wording is a contract written by the insurer and read, usually for the first time with care, after a loss. When the insured and the insurer read the same sentence two ways, the dispute is settled by a set of long-standing rules of interpretation that courts apply to all contracts, with a few that bite especially hard on insurers.
Claims officers apply the same rules before a dispute ever reaches court. IC-11 expects you to name each rule and apply it to a short fact pattern.
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The Rules, in the Order They Are Usually Applied
- 1
Find the intention of the parties
The overriding aim is what the parties meant, judged from the words they used, not from what either side privately intended.
- 2
Read the policy as a whole
The schedule, cover section, exclusions, conditions, endorsements and the proposal it incorporates are read together. A clause is never read in isolation.
- 3
Give words their ordinary meaning
Words carry their plain, everyday meaning unless the context shows otherwise.
- 4
Use the trade or technical meaning where it applies
Some words have a settled meaning in a trade. In marine insurance, "general average" means a specific sharing of sacrifice between ship and cargo interests, not an average in the arithmetic sense.
- 5
Use the legal meaning for legal terms
Where a word has a defined meaning in law (theft, riot), that meaning is applied unless the policy defines it differently.
- 6
Written words beat printed words
Typed or handwritten wording and endorsements reflect the latest, specific agreement for this risk, so they override the pre-printed standard text where the two conflict.
- 7
Specific beats general
A narrow clause that follows a wide one is read as explaining and limiting it.
- 8
Ejusdem generis
General words following a list of specific things are limited to things of the same kind as the list.
- 9
Contra proferentem
If a term is still genuinely ambiguous after all the above, it is read against the party that drafted it, which in insurance is almost always the insurer.
The Rules Applied
A Surat godown schedule covers "stock of cotton yarn, grey cloth, finished fabric and other goods"; a stored car is damaged
Rule
Ejusdem generis
Likely reading
"Other goods" means goods of the same kind as textiles, so the car is not stock covered under that item
Printed wording excludes storage of hazardous goods; a typed endorsement allows up to 500 litres of solvent
Rule
Written over printed
Likely reading
The endorsement prevails, so solvent within the limit is allowed
"Flood" is undefined and water rose from a blocked municipal drain
Rule
Contra proferentem (if still ambiguous)
Likely reading
Read in the insured's favour if both readings are reasonable
The proposal describes one building; the policy schedule, issued later, shows two
Rule
Policy prevails over proposal
Likely reading
The policy is taken as the final agreed contract, unless rectified
| Situation | Rule | Likely reading |
|---|---|---|
| A Surat godown schedule covers "stock of cotton yarn, grey cloth, finished fabric and other goods"; a stored car is damaged | Ejusdem generis | "Other goods" means goods of the same kind as textiles, so the car is not stock covered under that item |
| Printed wording excludes storage of hazardous goods; a typed endorsement allows up to 500 litres of solvent | Written over printed | The endorsement prevails, so solvent within the limit is allowed |
| "Flood" is undefined and water rose from a blocked municipal drain | Contra proferentem (if still ambiguous) | Read in the insured's favour if both readings are reasonable |
| The proposal describes one building; the policy schedule, issued later, shows two | Policy prevails over proposal | The policy is taken as the final agreed contract, unless rectified |
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How IC-11 Tests This
Expect "a handwritten clause conflicts with printed wording: which prevails" (handwritten), "contra proferentem means" (against the drafter), and a short list question where you must spot the item not covered under ejusdem generis. The trap is applying contra proferentem first. It is a last resort for real ambiguity, not a rule that the insured always wins. Another trap is "general average" read in its everyday sense instead of its marine trade meaning.
FAQs
What is the contra proferentem rule in insurance?expand_more
If a policy term is genuinely ambiguous, it is interpreted against the party that drafted it. Because insurers write the wordings, ambiguity is usually resolved in the policyholder's favour.
Which prevails, written or printed words in a policy?expand_more
Written words, including typed clauses and endorsements, prevail over printed standard wording because they record the specific agreement for that risk.
What is ejusdem generis?expand_more
A rule that general words after a list of specific items cover only things of the same kind as those listed. "Cotton, yarn, cloth and other goods" does not stretch to cars.
If the proposal and the policy differ, which one counts?expand_more
The policy, as the final written contract. If it does not reflect what was really agreed, a party can apply to court to have it rectified.
Next steps
- Policy Conditionsarrow_forward
- Deductiblesarrow_forward
- IC-01: Policy document and endorsementsarrow_forward
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