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

# clsInvoiceCollection

Read-only BOF collection of `clsInvoice` instances for a given policy; enables enumeration of invoices across a policy's billing history.*

## Purpose
- Provides enumerable access to all invoice records for a policy.*
- Consumed by billing history and reporting workflows that require a list of a policy's invoices.*

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

## Public members
| Member | Signature | Purpose |
| --- | --- | --- |
| GetInvoices | `Public Shared Function GetInvoices(ByVal inDPI As IDataPortalInfo, ByVal inPolicyNumber As Decimal) As clsInvoiceCollection` | Loads cls invoice collection for the supplied lookup criteria. |
| GetInvoiceByAccountNumberAndBillDate | `Public Shared Function GetInvoiceByAccountNumberAndBillDate(ByVal inDPI As IDataPortalInfo, ByVal inAccountNumber As String, ByVal billDate As Date) As clsInvoiceCollection` | Loads cls invoice collection for the supplied lookup criteria. |
## Inherited public members

| Member | Signature | Purpose | Origin |
| --- | --- | --- | --- |
| First | `Sub First()` | Moves traversal to the first item in the BOF collection.† | `SAIF.Framework.Core — clsBusinessCollectionBase` |
| Last | `Sub Last()` | Moves traversal to the last item in the BOF collection.† | `SAIF.Framework.Core — clsBusinessCollectionBase` |
| Next | `Sub Next()` | Advances traversal to the next item.† | `SAIF.Framework.Core — clsBusinessCollectionBase` |
| Previous | `Sub Previous()` | Moves traversal to the previous item.† | `SAIF.Framework.Core — clsBusinessCollectionBase` |

## Behavioral notes
- Source file: `Business\SAIF.Business.Policy.Premium\Billing\clsInvoiceCollection.vb`.

## Constraints and usage notes
- Read-only; invoices cannot be added or removed through this collection.*


> **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\Billing\clsInvoiceCollection.vb`