This code system http://hl7.org/fhir/contract-term-subtype defines the following codes:

CodeDisplayDefinition
condition ConditionTerms that go to the very root of a contract.
warranty WarrantyLess imperative than a condition, so the contract will survive a breach
innominate InnominateBreach of which might or might not go to the root of the contract depending upon the nature of the breach
<status value="draft"/><experimental value="false"/><description value="This value set includes sample Contract Term SubType codes."/><copyright value="This is an example set."/><caseSensitive value="true"/><content value="complete"/><concept><code value="condition"/><display value="Condition"/><definition value="Terms that go to the very root of a contract."/></concept><concept><code value="warranty"/><display value="Warranty"/><definition value="Less imperative than a condition, so the contract will survive a breach"/></concept><concept><code value="innominate"/><display value="Innominate"/><definition value="Breach of which might or might not go to the root of the contract depending upon the nature of the breach"/></concept></CodeSystem>