---
title: "Table 50 Accounting Period"
author: "Jonas Paprotka"
url: https://jonas-paprotka.de/ref/table/50-accounting-period/
type: table
id: 50
name: "Accounting Period"
app: "Base Application"
namespace: Microsoft.Foundation.Period
versions: "17-28"
build: 28.5.54151.54365
source: "https://jonas-paprotka.de/ref/table/50-accounting-period/source/29/"
checked: 2026-09-20
subject: "Microsoft Dynamics 365 Business Central"
license: "Content © 2026 Jonas Paprotka. Quote freely with attribution and a link."
---

# Table 50 Accounting Period

Jonas Paprotka, https://jonas-paprotka.de/ref/table/50-accounting-period/

| | |
| --- | --- |
| App | Base Application |
| Namespace | Microsoft.Foundation.Period |
| Versions | 17-28 |
| Source file | Foundation/Period/AccountingPeriod.Table.al |

## Fields

| Id | Name | Type | Versions | Obsolete | Reason |
| --- | --- | --- | --- | --- | --- |
| 1 | Starting Date | Date | 17-28 | - | - |
| 2 | Name | Text[10] | 17-28 | - | - |
| 3 | New Fiscal Year | Boolean | 17-28 | - | - |
| 4 | Closed | Boolean | 17-28 | - | - |
| 5 | Date Locked | Boolean | 17-28 | - | - |
| 5804 | Average Cost Calc. Type | Enum Average Cost Calculation Type | 17-28 | - | - |
| 5805 | Average Cost Period | Enum Average Cost Period Type | 17-28 | - | - |

## Keys

| Name | Fields | Versions |
| --- | --- | --- |
| Key1, clustered | Starting Date | 17-28 |
| Key2 | New Fiscal Year, Date Locked | 17-28 |
| Key3 | Closed | 17-28 |

## Procedures

| Name | Parameters | Returns | Access | Versions | Obsolete | Reason |
| --- | --- | --- | --- | --- | --- | --- |
| UpdateAvgItems | () | - | public | 17-28 | - | - |
| GetFiscalYearEndDate | (Date) | Date | public | 17-28 | - | - |
| GetFiscalYearStartDate | (Date) | Date | public | 17-28 | - | - |
| CorrespondingAccountingPeriodExists | (var Record Accounting Period, Date) | Boolean | public | 17-28 | - | - |
| GetFiscalYearEndDate | (var Record Accounting Period, Date) | Date | public | 18-28 | - | - |
| GetFiscalYearStartDate | (var Record Accounting Period, Date) | Date | public | 18-28 | - | - |
| MakeRecurringTexts | (Date, var Code[20], var Text[100]) | - | public | 19-28 | - | - |

## Events

| Kind | Name | Parameters | Versions | Obsolete | Reason |
| --- | --- | --- | --- | --- | --- |
| Integration event | OnBeforeMakeRecurringTexts | (Date, var Code[20], var Text[100], var Boolean) | 22-28 | - | - |

## Source

Symbols: Microsoft.BaseApplication.symbols.437dbf0e-84ff-417a-965d-ed2bb9650972, https://dynamicssmb2.pkgs.visualstudio.com/DynamicsBCPublicFeeds/_packaging/MSSymbols/nuget/v3/index.json, highest build per major on 2026-09-20.
AL source 29: https://github.com/microsoft/BCApps, MIT, releases/29.x at a66254c3b8b5bb1cea290dc8f9d097aec4381153.

Jonas Paprotka, 2026-09-20.