Delta State Internal Revenue Service
Privacy Policy
1. Introduction
This Privacy Policy explains how the Delta State Internal Revenue Service (“Tax Authority”) collects, uses, stores, and protects personal information provided by taxpayers and organizations when using this portal. We are committed to safeguarding your data in compliance with the Nigerian Data Protection Act, 2023 (NDPA) and applicable regulations.
2. Information We Collect
We may collect the following categories of information:
- Identification details – e.g., name, date of birth, tax identification number, and National Identification Number.
- Contact information – e.g., address, phone number, and email.
- Financial and transactional information – e.g., income, tax returns, and payments.
- Organizational details – for companies, NGOs, and other entities.
- Technical data – e.g., IP address, browser type, and login activity.
3. Purpose of Collection
Your information is collected and processed for:
- Tax registration and issuance of Tax Identification Numbers (TIN).
- Filing and administration of tax returns.
- Assessment, collection, and enforcement of tax obligations.
- Compliance with statutory reporting requirements.
- Fraud prevention, audit, and verification purposes.
4. Lawful Basis for Processing
We process personal data under the following lawful bases:
- Legal obligation: To fulfil statutory tax requirements.
- Public interest: For the administration of government revenue.
- Consent: Where required, such as for optional services or communications.
5. Data Subject Rights
Under the NDPA, you have the right to:
- Access your personal information.
- Request correction of inaccurate data.
- Request erasure of data where legally permissible.
- Object to certain forms of processing.
- Request data portability.
- Lodge complaints with the Nigeria Data Protection Commission (NDPC) if grievances are unresolved.
6. Data Sharing & Disclosure
We may share your information only:
- With authorized government agencies for statutory purposes.
- With licensed compliance partners conducting audits.
- With partners, consultants, and service providers who support us in delivering technology, data gathering, and other ancillary services. These parties are bound by strict confidentiality and data protection obligations.
- As required by law, regulation, or court order.
7. Data Security
We implement appropriate technical and organizational measures to protect your data, including:
- Encryption of sensitive information.
- Secure access controls.
- Regular compliance audits.
- Breach notification procedures in line with NDPA requirements.
8. Data Retention
Personal data will be retained only for as long as necessary to fulfill tax administration purposes and statutory obligations, after which it will be securely archived or deleted.
9. Contact Information
For inquiries or to exercise your data protection rights, please contact us at:
Email: info@deltabir.com
Phone: +234-90-539-641-00
Office Address:
Revenue House, 105 Airport Road,
Opposite Total Filling Station,
Warri, Delta State, Nigeria.


