---
id: object/page/20309
type: object
title: Page 20309 "Use Case Rate Column Relation"
summary: Page 20309 "Use Case Rate Column Relation" in INTaxEngine (Microsoft.Finance.TaxEngine.UseCaseBuilder). Introduced in BC29, still in BC30.
tier: official
language: en
tags:
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  - intaxengine
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    title: src/Apps/W1/INTaxEngine/app/TaxEngine-UseCaseBuilder/src/UseCase/Page/UseCaseRateColumnRelation.Page.al (releases/29.x)
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object_type: page
object_id: 20309
name: Use Case Rate Column Relation
namespace: Microsoft.Finance.TaxEngine.UseCaseBuilder
app: INTaxEngine
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---

# Page 20309 "Use Case Rate Column Relation"

> Page 20309 "Use Case Rate Column Relation" in INTaxEngine (Microsoft.Finance.TaxEngine.UseCaseBuilder). Introduced in BC29, still in BC30.

INTaxEngine · Microsoft.Finance.TaxEngine.UseCaseBuilder · BC29-30 · [source at ea08af5e](https://github.com/microsoft/BCApps/blob/ea08af5ef2d6a9b5c5af4a029288abbe2c883220/src/Apps/W1/INTaxEngine/app/TaxEngine-UseCaseBuilder/src/UseCase/Page/UseCaseRateColumnRelation.Page.al) · facts from BC29

## Properties

| Property | Value |
|---|---|
| SourceTable | Use Case Rate Column Relation |
| PageType | ListPart |

## 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 |
|---|---|---|---|
| GroupName | Column Name | `SetupColumnName` | Specifies the name of the Rate column which will be mapped to this tax use case to find the tax rate, mapping is only needed for Range and Value type rate columns. |
|  | Mapping | `MappingTxt` | Specifies the mapping of Rate column to get its value. |

## Procedures

1 local procedures, no public ones.

## Triggers

OnNewRecord, OnAfterGetRecord, OnAfterGetCurrRecord

## Relations

- source table [Table 20309 "Use Case Rate Column Relation"](../table/20309.md)

## Calls

From the extracted call graph of BC29 (graphify-al on the snapshot checkout): calls whose target is known from a declared type or an `Object::"Name"` argument. Interface dispatch and calls through events are not counted, so the list is not complete.

- [Codeunit 20133 "Script Symbols Mgmt."](../codeunit/20133.md) (2 calls: `FormatLine → GetSymbolName`, `FormatLine → SetContext`)
- [Codeunit 20143 "Lookup Serialization"](../codeunit/20143.md) (1 call: `FormatLine → LookupToString`)
- [Codeunit 20167 "Script Serialization"](../codeunit/20167.md) (1 call: `FormatLine → ConditionToString`)

## 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). The call sections above are our own, per object, from the BC29 call graph. 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: "page", object_name: "Use Case Rate Column Relation")`, then `bcatlas_get_procedure_body` or `bcatlas_get_neighbors` on the returned id.