System Requirements Document (SRD)

1. Introduction

This document outlines the system requirements for developing a simple website for filing Income Tax Returns (ITR). The website will provide users with an intuitive interface to input their financial details, calculate tax liabilities, and submit their ITR online. The system will cater to individual taxpayers and ensure compliance with relevant regulations. The website will include interactive forms to guide users step-by-step through the filing process.

2. System Overview

The proposed system is a web-based application designed to simplify the process of filing Income Tax Returns. It will allow users to securely input their financial data, calculate tax liabilities, and submit their returns. The system will include features for user authentication, data validation, and secure submission to the appropriate tax authorities. The website will be responsive and accessible across devices. Interactive forms will be implemented to provide users with a guided and user-friendly experience throughout the filing process.

3. Functional Requirements as Story Points

• As a User, I should be able to register and log in to the website securely.
• As a User, I should be able to input my financial details (income, deductions, etc.) into the system using interactive forms.
• As a User, I should be able to view a summary of my tax calculations before submission.
• As a User, I should be able to submit my ITR securely to the tax authorities.
• As a User, I should be able to download a copy of my submitted ITR for future reference.
• As a User, I should be able to receive notifications or confirmations upon successful submission of my ITR.
• As Admin, I should be able to manage user accounts and monitor system activity.
• As Admin, I should be able to generate reports on system usage and submission statistics.

4. User Personas

4.1 Individual Taxpayer (User)

• Description: A person who needs to file their Income Tax Returns online.
• Goals: Simplify the process of filing ITR, ensure compliance with tax regulations, and securely submit their returns.
• Pain Points: Complexity of tax calculations, fear of errors, and lack of technical expertise.

4.2 Administrator (Admin)

• Description: A system administrator responsible for managing the website and ensuring smooth operations.
• Goals: Monitor user activity, ensure system security, and generate reports for analysis.
• Pain Points: Managing large volumes of data, ensuring system uptime, and addressing user issues.

5. Visuals Colors and Theme

The website will adopt a professional and clean design with the following color theme:

• Primary Color: Blue (#007BFF) - Represents trust and professionalism.
• Secondary Color: White (#FFFFFF) - Ensures clarity and simplicity.
• Accent Color: Green (#28A745) - Indicates success and confirmation messages.
• Error Color: Red (#DC3545) - Highlights errors or warnings.
• Font: Use a sans-serif font like Open Sans or Roboto for readability.

6. Non-Functional Requirements

• The system should be responsive and accessible on both desktop and mobile devices.
• The system should ensure data security and comply with relevant data protection regulations.
• The website should have a user-friendly interface with intuitive navigation and interactive forms.
• The system should handle up to 10,000 concurrent users without performance degradation.
• The system should provide a 99.9% uptime guarantee.
• The system should support multilingual functionality for diverse users.

7. Tech Stack

Frontend

• React for Web

Backend

• Python
• FastAPI

Database RDBMS

• MySQL, using Alembic for migrations

AI Models

• GPT 5.2 for user-friendly responses

AI Tools

• Langchain

Local Orchestration

• Docker
• docker-compose

Server-side Orchestration

• Kubernetes

8. Assumptions and Constraints

• The system will only support individual taxpayers and not businesses or organizations.
• The website will integrate with the tax authority’s API for submission.
• Users must have a valid email address and phone number for registration.
• The system will not provide tax advisory services; it will only facilitate ITR filing.
• The website will operate within the jurisdiction of the tax authority and comply with local regulations.
• Interactive forms will be used to guide users step-by-step through the filing process.

9. Glossary

• ITR: Income Tax Return - A form submitted to the tax authorities to report income and calculate tax liabilities.
• Admin: A system administrator responsible for managing the website.
• User: An individual taxpayer using the website to file their ITR.
• API: Application Programming Interface - A set of protocols for integrating the website with external systems.
• Responsive Design: A design approach ensuring the website works seamlessly across devices.
• Alembic: A database migration tool for managing schema changes in MySQL.
• Interactive Forms: Dynamic web forms that guide users step-by-step through the process of inputting data and completing tasks.

This document has been updated to include the requirement for interactive forms as a specified feature in the system. All necessary sections have been revised to reflect the user's request.