Terms of Service

1. Agreement to Terms

By accessing or using Regulus ("Service", "Platform", "we", "our", or "us"), you agree to be bound by these Terms of Service ("Terms"). If you do not agree to these Terms, you must not access or use the Service.

Regulus is operated by Regulus Ltd, a company registered in the United Kingdom. These Terms constitute a legally binding agreement between you and Regulus Ltd.

These Terms should be read together with our:

• Privacy Policy
• Subscription Terms
• Website Disclaimer
• Cookie Policy

2. Eligibility

To use Regulus, you must:

• Be at least 18 years of age
• Have the legal capacity to enter into binding contracts
• Not be prohibited from using the Service under UK law or any applicable jurisdiction
• Provide accurate, current, and complete registration information
• Maintain the security of your account credentials

You are responsible for all activity that occurs under your account. If you suspect unauthorized access, notify us immediately at support@regulus.ai.

3. Service Description

Regulus is an AI-powered assistant that provides general information and guidance on UK tax matters. The Service uses artificial intelligence to answer tax-related questions based on publicly available UK tax law and guidance.

3.1 What Regulus Is

• An educational tool providing general UK tax information
• An AI assistant to help you understand tax concepts and regulations
• A research aid for UK tax-related questions

3.2 What Regulus Is NOT

• Not Professional Tax Advice: Regulus does not provide personalized tax advice, tax planning services, or professional consultation
• Not a Tax Preparer: We do not prepare, file, or submit tax returns on your behalf
• Not an Accountant: We are not a substitute for qualified accountants, tax advisers, or HMRC-registered agents
• Not a Legal Service: Responses do not constitute legal advice or create a professional relationship

4. Important Disclaimers

4.1 AI Limitations

Our AI system:

• May occasionally produce inaccurate or incomplete information
• Cannot account for your specific financial circumstances
• May not reflect the most recent tax law changes
• Should be used as a starting point, not a final authority

4.2 No Professional Relationship

Using Regulus does NOT create an accountant-client, attorney-client, or any professional advisory relationship. We are not responsible for any decisions you make based on information from the Service.

4.3 Tax Law Complexity

UK tax law is highly complex and frequently changes. Tax situations vary widely based on individual circumstances. Always consult a qualified tax professional for advice specific to your situation.

5. Subscription and Billing

5.1 Subscription Plans

Regulus offers the following subscription tiers:

• Standard: £20/month - 250 questions per month
• Pro: £50/month - 650 questions per month
• Business: £100/month - 1500 questions per month

5.2 Billing Terms Summary

• Recurring Charges: Subscriptions auto-renew monthly unless cancelled
• Payment Method: We use Stripe for secure payment processing
• Failed Payments: If payment fails, we will attempt recovery and notify you via email
• Price Changes: We will notify you 30 days before any price increases
• No Refunds: All payments are non-refundable, but you can cancel anytime

For full details on billing, cancellation, refunds, and plan changes, see our Subscription Terms.

6. Acceptable Use Policy

6.1 Permitted Use

You may use Regulus to:

• Research UK tax topics for educational purposes
• Get general guidance on tax matters
• Understand tax concepts and terminology

6.2 Prohibited Activities

You must NOT:

• Use the Service for illegal activities or tax evasion
• Share your account credentials with others
• Attempt to reverse engineer, scrape, or extract data from the Service
• Use automated tools (bots, scripts) to interact with the Service
• Submit false, misleading, or fraudulent information
• Abuse, harass, or send harmful content through the Service
• Attempt to circumvent usage limits or payment requirements
• Use the Service to provide professional tax advice to third parties
• Copy, reproduce, or redistribute AI responses for commercial purposes

7. Intellectual Property

7.1 Our Intellectual Property

All content, features, and functionality of Regulus (including but not limited to text, graphics, logos, software, and AI models) are owned by Regulus Ltd and protected by UK and international copyright, trademark, and intellectual property laws.

7.2 Your Content

You retain ownership of the questions you submit ("Your Content"). By using the Service, you grant us a license to:

• Process your questions to provide responses
• Store your conversation history for your access
• Use anonymized data to improve the Service

7.3 AI-Generated Responses

AI-generated responses are provided for your personal use only. You may not:

• Republish responses for commercial purposes
• Use responses to train competing AI models
• Claim responses as your own work

8. Data Protection and Privacy

Your use of Regulus is governed by our Privacy Policy, which is incorporated into these Terms by reference. We comply with UK GDPR and the Data Protection Act 2018.

Key Points:

• We process your questions through OpenAI's API
• Conversation history is stored for your access
• You have the right to export and delete your data
• Data is retained for 90 days after account cancellation

9. Limitation of Liability

9.1 No Liability for Tax Decisions

We are NOT liable for any tax penalties, fines, interest, or other consequences resulting from:

• Reliance on information provided by the Service
• Inaccurate or incomplete AI-generated responses
• Outdated tax law information
• Misunderstanding or misapplication of tax guidance

9.2 Service Availability

We do not guarantee uninterrupted or error-free service. We are not liable for:

• Service downtime or technical issues
• Data loss due to technical failures
• Third-party service interruptions (Stripe, OpenAI, hosting)

9.3 Maximum Liability

Our total liability to you for any claims arising from your use of Regulus shall not exceed the amount you paid us in subscription fees during the 12 months preceding the claim.

9.4 Indemnification

You agree to indemnify and hold harmless Regulus Ltd from any claims, damages, or expenses arising from:

• Your violation of these Terms
• Your use of the Service
• Your violation of any third-party rights

10. Warranty Disclaimer

THE SERVICE IS PROVIDED "AS IS" AND "AS AVAILABLE" WITHOUT WARRANTIES OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO:

• Warranties of merchantability or fitness for a particular purpose
• Accuracy, reliability, or completeness of information
• Uninterrupted or error-free operation
• Security or freedom from viruses or harmful components

11. Account Termination

11.1 Termination by You

You may cancel your subscription at any time from your billing portal. Your data will be retained for 90 days after cancellation, then permanently deleted.

11.2 Termination by Us

We may suspend or terminate your account immediately if you:

• Violate these Terms
• Engage in fraudulent or illegal activity
• Abuse the Service or other users
• Fail to pay subscription fees after multiple attempts

11.3 Effect of Termination

Upon termination:

• Your access to the Service is immediately revoked
• You lose access to your conversation history
• No refunds are provided for unused time
• Your data is deleted after the retention period (90 days)

12. Changes to Terms

We may update these Terms from time to time. We will notify you of material changes by:

• Posting the updated Terms on this page
• Updating the "Last Updated" date
• Sending an email notification for significant changes

Your continued use of Regulus after changes take effect constitutes acceptance of the updated Terms. If you do not agree, you must stop using the Service and cancel your subscription.

13. Governing Law and Disputes

13.1 Governing Law

These Terms are governed by the laws of England and Wales, without regard to conflict of law principles.

13.2 Dispute Resolution

Any disputes arising from these Terms or your use of the Service shall be resolved through:

1. Good faith negotiation between you and Regulus Ltd
2. Mediation (if negotiation fails)
3. Courts of England and Wales (if mediation fails)

13.3 Jurisdiction

You agree to submit to the exclusive jurisdiction of the courts of England and Wales for any legal proceedings.

14. Miscellaneous

14.1 Entire Agreement

These Terms, together with our Privacy Policy, constitute the entire agreement between you and Regulus Ltd regarding your use of the Service.

14.2 Severability

If any provision of these Terms is found to be unenforceable, the remaining provisions will remain in full effect.

14.3 No Waiver

Our failure to enforce any provision of these Terms does not constitute a waiver of that provision.

14.4 Assignment

You may not assign or transfer these Terms or your account. We may assign our rights and obligations without notice.

14.5 Third-Party Services

The Service integrates with third-party services (Stripe, OpenAI). Your use of those services is subject to their respective terms and policies.

15. Contact Information

If you have questions about these Terms, please contact us:

Regulus Ltd
Email: support@regulus.ai
Legal Inquiries: legal@regulus.ai