---
id: object/pageextension/18441-in
type: object
title: Page extension 18441 "GST Service Lines" (IN)
summary: Page extension 18441 "GST Service Lines" (IN) in the IN country layer (Microsoft.Service.Document), extends "Service Lines". Introduced in BC29, still in BC30.
tier: official
language: en
tags:
  - pageextension
  - in layer
versions:
  introduced: "29"
  last_changed: null
  deprecated: null
review:
  state: derived
  by: null
  at: null
  flags: []
generated:
  at: "2026-10-11T00:31:51.816Z"
  pipeline: 0.2.0
  prompts: {}
  input_hash: 5eba074b8d2b5b176af7453d5585ed0bdd3061bb3b198f0846db12c65fcfc2f5
evidence:
  - kind: code
    url: https://github.com/microsoft/BCApps/blob/ea08af5ef2d6a9b5c5af4a029288abbe2c883220/src/Apps/IN/INGST/app/GSTService/src/PageExtension/GSTServiceLines.PageExt.al
    title: src/Apps/IN/INGST/app/GSTService/src/PageExtension/GSTServiceLines.PageExt.al (releases/29.x)
    date: null
    commit: ea08af5ef2d6a9b5c5af4a029288abbe2c883220
    t: null
    quote: null
links:
  learn: []
  objects: []
  features: []
  topics: []
  localizations:
    - localization/in
  videos: []
  posts: []
  guidelines: []
object_type: pageextension
object_id: 18441
name: GST Service Lines
namespace: Microsoft.Service.Document
app: INGST
extends: Service Lines
first_version: "29"
last_version: "30"
present_in:
  - "29"
  - "30"
changed_in: []
source_major: "29"
obsolete: null
countries: []
ms_search_form_ids: []
country: IN
counts:
  fields: 0
  procedures: 0
  events: 0
  subscribers: 0
  controls: 14
  actions: 0
relations:
  out: 0
  referenced_by: 0
  pages: 0
  extended_by: 0
  event_subscribers: 0
---

# Page extension 18441 "GST Service Lines" (IN)

> Page extension 18441 "GST Service Lines" (IN) in the IN country layer (Microsoft.Service.Document), extends "Service Lines". Introduced in BC29, still in BC30.

IN country layer · Microsoft.Service.Document · BC29-30 · [source at ea08af5e](https://github.com/microsoft/BCApps/blob/ea08af5ef2d6a9b5c5af4a029288abbe2c883220/src/Apps/IN/INGST/app/GSTService/src/PageExtension/GSTServiceLines.PageExt.al) · facts from BC29

An object of the [IN localization](../../localizations/in.md), not part of W1.

## Fields on this page

Layout controls in source order, grouped by the container they sit in. Shows: the table field a control is bound to (or its expression as written); ToolTip: the control's own, else the bound field's (marked).

| Group | Control | Shows | ToolTip |
|---|---|---|---|
| addfirst(factboxes) | TaxInformation | part [Page 20240 "Tax Information Factbox"](../page/20240.md) | — |
| modify(Unit Price) | Unit Price | modifies `Unit Price` | — |
| modify(Quantity) | Quantity | modifies `Quantity` | — |
| modify(Line Discount %) | Line Discount % | modifies `Line Discount %` | — |
| modify(Line Discount Amount) | Line Discount Amount | modifies `Line Discount Amount` | — |
| addafter(Job Line Type) | GST Place Of Supply | `Rec."GST Place Of Supply"` | Specifies on which location state code system should consider for GST calculation in case of sale of product or service. |
|  | GST Group Code | `Rec."GST Group Code"` | Specifies an identifier for the GST Group used to calculate and post GST. |
|  | GST Group Type | `Rec."GST Group Type"` | Specifies that the GST Group assigned for goods or service. |
|  | HSN/SAC Code | `Rec."HSN/SAC Code"` | Specifies an unique identifier for the type of HSN or SAC that is used to calculate and post GST. |
|  | GST Jurisdiction Type | `Rec."GST Jurisdiction Type"` | Specifies the entries related to gst jurisdiction, for example interstate or intrastate. |
|  | Exempted | `Rec."Exempted"` | Specifies whether the Service is exempted from GST or not. |
|  | GST On Assessable Value | `Rec."GST On Assessable Value"` | Specifies the assessable value on which GST will be calculated. |
|  | GST Assessable Value (LCY) | `Rec."GST Assessable Value (LCY)"` | Specifies the assessable value in local currency on which GST will be calculated. |
|  | Non-GST Line | `Rec."Non-GST Line"` | Specifies whether the line item is applicable for GST or not. |

## Across versions

- Present in: BC29-30
- Changed (declaration) in: none

Source: AL metadata extracted from the code (names, ids, signatures, properties); no code bodies (D10).

## Ask your agent

Procedure bodies are not stored here (D10). For a procedure body or the calls of one procedure, ask bc-code-atlas (external, by Stefan Maron, MIT; default corpus w1-28), which the bc-observatory plugin connects: `bcatlas_resolve_node(object_type: "pageextension", object_name: "GST Service Lines")`, then `bcatlas_get_procedure_body` or `bcatlas_get_neighbors` on the returned id.

A IN country object, not part of W1: the default corpus does not have it; `bcatlas_list_countries` shows which countries the atlas has.