---
title: "Table 1701 Deferral Header"
author: "Jonas Paprotka"
url: https://jonas-paprotka.de/ref/table/1701-deferral-header/
type: table
id: 1701
name: "Deferral Header"
app: "Base Application"
namespace: Microsoft.Finance.Deferral
versions: "17-28"
build: 28.5.54151.54365
source: "https://jonas-paprotka.de/ref/table/1701-deferral-header/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 1701 Deferral Header

Jonas Paprotka, https://jonas-paprotka.de/ref/table/1701-deferral-header/

| | |
| --- | --- |
| App | Base Application |
| Namespace | Microsoft.Finance.Deferral |
| Versions | 17-28 |
| Source file | Finance/Deferral/DeferralHeader.Table.al |

## Fields

| Id | Name | Type | Versions | Obsolete | Reason |
| --- | --- | --- | --- | --- | --- |
| 1 | Deferral Doc. Type | Enum Deferral Document Type | 17-28 | - | - |
| 2 | Gen. Jnl. Template Name | Code[10] | 17-28 | - | - |
| 3 | Gen. Jnl. Batch Name | Code[10] | 17-28 | - | - |
| 4 | Document Type | Integer | 17-28 | - | - |
| 5 | Document No. | Code[20] | 17-28 | - | - |
| 6 | Line No. | Integer | 17-28 | - | - |
| 7 | Deferral Code | Code[10] | 17-28 | - | - |
| 8 | Amount to Defer | Decimal | 17-28 | - | - |
| 9 | Amount to Defer (LCY) | Decimal | 17-28 | - | - |
| 10 | Calc. Method | Enum Deferral Calculation Method | 17-28 | - | - |
| 11 | Start Date | Date | 17-28 | - | - |
| 12 | No. of Periods | Integer | 17-28 | - | - |
| 13 | Schedule Description | Text[100] | 17-28 | - | - |
| 14 | Initial Amount to Defer | Decimal | 17-28 | - | - |
| 15 | Currency Code | Code[10] | 17-28 | - | - |
| 20 | Schedule Line Total | Decimal | 17-28 | - | - |

## Keys

| Name | Fields | Versions |
| --- | --- | --- |
| Key1, clustered | Deferral Doc. Type, Gen. Jnl. Template Name, Gen. Jnl. Batch Name, Document Type, Document No., Line No. | 17-28 |

## Procedures

| Name | Parameters | Returns | Access | Versions | Obsolete | Reason |
| --- | --- | --- | --- | --- | --- | --- |
| CalculateSchedule | () | Boolean | public | 17-28 | - | - |

## Events

| Kind | Name | Parameters | Versions | Obsolete | Reason |
| --- | --- | --- | --- | --- | --- |
| Integration event | OnBeforeCalculateSchedule | (var Record Deferral Header) | 19-28 | - | - |
| Integration event | OnDeleteOnBeforeDeleteAll | (Record Deferral Header, var Record Deferral Line) | 21-28 | - | - |
| Integration event | OnValidateStartDateOnAfterCalcThrowScheduleOutOfBoundError | (Record Deferral Header, var Boolean) | 21-28 | - | - |

## 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.