---
title: iPolicyRatingPlanExtensions
summary: API reference for iPolicyRatingPlanExtensions.
status: draft
owner: Technical Writer
last_reviewed: 2026-07-31
library: SAIF.Business.Policy.Premium
reference_type: package
---

# iPolicyRatingPlanExtensions

Extension module on `iPolicyPeriodRatingPlan`; provides utility methods for consumers of policy period rating plan data, including derived computations or format helpers.*

## Purpose
- Extends `iPolicyPeriodRatingPlan` with utility operations for rating plan consumers.*
- Consumed by premium calculation and reporting workflows that need common derived operations over rating plan data.*

## Context
- Namespace: `SAIF.Business.Policy.Premium`
- Assembly/package: `SAIF.Business.Policy.Premium`

## Public members
| Member | Signature | Purpose |
| --- | --- | --- |
| IsExperienceRated | `Public Function IsExperienceRated(ByVal Target As iPolicyPeriodRatingPlan) As Boolean` | Executes the is experience rated behavior defined by this type. |
| IsClaimRated | `Public Function IsClaimRated(ByVal Target As iPolicyPeriodRatingPlan) As Boolean` | Executes the is claim rated behavior defined by this type. |
| IsNonRated | `Public Function IsNonRated(ByVal Target As iPolicyPeriodRatingPlan) As Boolean` | Executes the is non rated behavior defined by this type. |
| RatingPlan | `Public Function RatingPlan(ByVal Target As iPolicyPeriodRatingPlan) As Enums.RatingPlans` | Executes the rating plan behavior defined by this type. |
## Behavioral notes
- Source file: `Business\SAIF.Business.Policy.Premium\iPolicyRatingPlan.vb`.

## Constraints and usage notes
- Extension methods operate on any `iPolicyPeriodRatingPlan` implementor; callers must ensure the instance is non-null.*


> **Note:** Statements marked with * were inferred from code structure, naming conventions, or
> contextual evidence where direct confirmation was not available in source artifacts. Statements
> marked with ** could not be confirmed; treat as unknown until verified.

## Sources
- `Business\SAIF.Business.Policy.Premium\iPolicyRatingPlan.vb`