# Create an amortisation rule set. `CreateAmortisationRuleSet` `POST /api/amortisation/rulesets/{scope}` - [OpenAPI fragment](https://www.lusid.com/docs/api/lusid/endpoints/amortisation-rule-sets/CreateAmortisationRuleSet.json) - [Rendered page](https://www.lusid.com/docs/api/lusid/endpoints/amortisation-rule-sets/CreateAmortisationRuleSet) Creates an amortisation rule set definition at the given effective time. The user must be entitled to read any properties specified in each rule. ## Referenced schemas - [CreateAmortisationRuleSetRequest](https://www.lusid.com/docs/api/lusid/schemas/CreateAmortisationRuleSetRequest.txt) - [AmortisationRuleSet](https://www.lusid.com/docs/api/lusid/schemas/AmortisationRuleSet.txt) [< Amortisation Rule Sets](https://www.lusid.com/docs/api/lusid/endpoints/amortisation-rule-sets/llms.txt)