ITS – INDIVIDUAL TAX SYSTEM – Develop.Software

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Contacts

Tầng 3, 45-47 Nội Khu Hưng Phước 2, Phường Tân Phong, Quận 7, Thành phố Hồ Chí Minh, Việt Nam.

[email protected]

+84 909-628-803 (Vietnam)

Published:

June 24 , 2025

Category:

Design / Ideas

Client:

Oceanthemes

ITS – INDIVIDUAL TAX SYSTEM

What The Client Required

✓ CRM integration
✓ Permission support to control fields visible, disable, or not for the different user roles
✓ IRAS (Inland Revenue Authority Of Singapore) integration: submit XML file to IRAS: IR21; Form B1
✓ Full Individual Tax Information – 16 Tax Questionnaire Sections for both Employee and Employer
✓ Tax Computation: Multiple formulas by configurable and export results to PDF files

Our Technologies

Specifically, the Develop.Software team utilized the following technologies for the project:

✓ .NET Core 2
✓ jQuery DataTable
✓ Entity Framework Core 2
✓ Auto Mapper
✓ Fluent Validation
✓ Hangfire (Background Job)
✓ Swagger: Gen and UI

Challenges

✓ Many businesses inside
✓ Tax Computation needs 100% cover all cases and the exact amount
✓ Multiple currencies are supported

Solutions

✓Follow exactly existing herd copy of Tax Questionnaires
✓Refer to IRAS documents
✓Currency Rate use API from Monetary Authority of Singapore (MAS) (http://www.mas.gov.sg/)
✓Do comparison testing to ensure tax computation result is correct