Legal Information

399b Terms & Conditions — Clear and Simple

Please read these terms and conditions carefully before using 399b. We want you to have a clear understanding of everything before you start playing — no hidden information.

Last updated: January 1, 2026
18+
Age Restriction
12
Key Clauses
24/7
Support
Bengali
Terms in Language

Key Terms at a Glance

Review these quick-reference cards for a plain-language summary of the most important points in 399b's Terms & Conditions.

🔞
Age Restriction
18 years or older only

You must be 18 years of age or older to open an account and place bets on 399b. Accounts belonging to minors will be closed immediately.

👤
Single Account
One Account Per Person

Each user may hold only one account. Creating multiple accounts may result in all accounts being permanently closed and any deposited funds being forfeited.

💳
Payment
Secure & Fast Transactions

Deposits and withdrawals via bKash, Nagad, and Rocket are fully secure. Minimum deposit and withdrawal amounts apply, and all transactions must be made from an account registered in your own name.

🎁
Bonus
Bonus Usage Terms

Each bonus offer comes with specific wagering requirements. A defined turnover must be met before a bonus can be withdrawn. Misuse of bonuses may result in account suspension.

⚖️
Fairness
Betting Rules

All betting is conducted fairly and transparently. In the event of a match cancellation or technical issue, 399b's decision shall be considered final.

🔒
Privacy
Data Protection & Privacy

Your personal information is kept strictly confidential. Your data is protected with SSL encryption and advanced security measures. We do not sell your information to third parties.

1

General Terms & Nature of Agreement

By using the 399b website (https://399b.ws), you are deemed to have agreed to these terms and conditions. These terms constitute a legally binding agreement between the 399b platform and the user. It is mandatory to read these terms carefully before using any of our services.

These Terms & Conditions apply to all 399b services — including Betting, lottery, popular games, bonuses, vouchers, and all other sections. If you do not agree to these terms, please refrain from using the platform.

Important: These terms and conditions are written in Bengali so that every user in Bangladesh can understand them easily. In the event of any dispute, the Bengali version shall be considered the authoritative text.

399b reserves the right to update these Terms & Conditions at any time. Continued use of the platform after any changes constitutes acceptance of the updated terms. You will be notified of changes via your registered email or through platform notifications.

2

Account Registration & Eligibility

The following requirements must be met to open an account on 399b:

  • You must be 18 years of age or older.
  • All information provided during registration must be truthful, accurate, and your own.
  • Only one account is permitted per person. Opening multiple accounts using the same phone number, email address, device, or payment method is strictly prohibited.
  • You are solely responsible for keeping your account password strictly confidential.
  • Account credentials must not be shared with or used by anyone else.

399b reserves the right to accept or reject any registration application. If false information is provided during registration, the account may be suspended and any associated balance forfeited. If suspicious activity is detected, 399b may request identity verification documents.

Please Note: Providing incorrect information when creating your account may cause payment issues down the line. Make sure your details are accurate from the start.
3

Age Verification & Identity Confirmation

399b takes a firm stance against underage gambling. We believe that creating a safe and responsible gaming environment is one of our most important obligations. To that end, we take the following measures:

  • Date of birth is collected at the time of registration.
  • Age verification via national ID or passport may be requested at any time.
  • If fraud is suspected, the account will be suspended immediately.
  • If a user is found to be underage, all transactions will be voided.

As part of identity verification, 399b may request any of the following documents from a user: National ID Card (NID), Passport, Driving License, or Birth Registration Certificate. Failure to submit the required documents may result in withdrawal being placed on hold.

4

Deposit, Withdrawal & Payment Policy

The rules governing financial transactions on 399b are outlined below:

  • Deposit Methods: Deposits can be made via bKash, Nagad, and Rocket.
  • Minimum Deposit: The minimum deposit amount set for each transaction must be observed.
  • Withdrawal: Withdrawals can only be made using the same method you used to deposit.
  • Your Account: All transactions must be made from a mobile banking account registered in your own name.
  • Processing Time: Withdrawals are typically processed within 24 hours.
  • Verification: Additional verification may be required for large withdrawal amounts.
Tips: For faster withdrawals, make sure your payment details are accurate and up to date, and complete KYC verification in advance.

399b reserves the right to charge fees on transactions. 399b is not responsible for any fees imposed by third-party payment gateways. If a fraudulent transaction is detected, the account will be suspended and the transaction cancelled.

5

Betting Rules & Bet Acceptance

The following rules apply to betting on 399b:

  • Once a bet is confirmed, it cannot be changed or cancelled, unless 399b has specifically provided a cash-out option.
  • Odds displayed in the Live Betting section after a match has started are subject to change.
  • If incorrect odds are displayed due to a technical error, 399b reserves the right to void the affected bet.
  • In the event a match is abandoned, postponed, or decided by walkover, 399b will make a ruling in accordance with its own policy.
  • Maximum bet limits apply to Sports Betting and may vary depending on the event.
  • Coordinated betting across multiple accounts on the same event (arbitrage) is strictly prohibited.

All 399b decisions relating to betting outcomes are final. For disputes, please contact customer support and we will review the matter transparently.

6

Bonus, Promotion & Voucher Terms

399b regularly offers attractive bonuses and promotional deals. To take advantage of these offers, the following general terms apply:

  • Wagering Requirement: Each bonus has a specific wagering requirement that must be met before the bonus can be withdrawn.
  • Validity: Each bonus offer has a set expiry date. Any unused bonus will be automatically cancelled once it expires.
  • One Bonus at a Time: Generally, multiple bonuses cannot be used at the same time.
  • Prohibited Misuse: Using false information or multiple accounts to exploit the bonus system is strictly prohibited.
  • Voucher: Voucher codes are valid under specified conditions only and cannot be converted to cash.

399b reserves the right to modify, suspend, or cancel any bonus or promotional offer. In any dispute regarding bonuses, 399b's decision shall be final.

To Claim a Bonus: Bonus Page Visit and Voucher page See the latest offers.
7

Responsible Gaming Policy

399b believes in responsible gaming. Our platform is meant to be enjoyed purely as entertainment, not as a primary source of income. 399b provides the following tools:

  • Daily/Weekly/Monthly Limit: You can set your own deposit and betting limits.
  • Cooling-Off Period: You can temporarily suspend your account for a set period of time.
  • Self-Exclusion: Long-term account self-exclusion options are available.
  • Reality Check: You will receive periodic reminders showing how long you have been playing.

If you feel that gambling is having a negative impact on your life, please visit our Responsible Gaming page or contact our support team directly.

8

Account Closure & Suspension

399b reserves the right to close or suspend any account without prior notice for the following reasons:

  • Violating these Terms & Conditions.
  • Providing false information or committing identity fraud.
  • Operating multiple accounts.
  • Misuse of the bonus system.
  • Attempting to harm or damage other users.
  • Involvement in money laundering or financial fraud.
  • Confirmed to be underage.

Users may also request account closure at any time. Once any pending bets are settled, the remaining balance will be refunded; however, any bonus balance will be forfeited.

9

Privacy & Data Protection

399b treats the protection of your personal data as its highest priority. Information we collect is used solely for service delivery, fraud prevention, and legal compliance. For more details, please see our Privacy Policy View.

  • All data is secured through SSL encryption.
  • Your information is never sold to third parties.
  • Information may only be shared when required by law.
  • You have the right to access and correct your personal information.
Security Tips: To keep your account secure, use a strong password, change it regularly, and avoid logging in over public Wi-Fi.
10

Intellectual Property & Copyright

All content on the 399b website — including logos, designs, text, graphics, software, and other materials — is the intellectual property of 399b. Copying, distributing, or using this content for commercial purposes without prior written permission from 399b is strictly prohibited.

Users may access the platform for personal and non-commercial purposes only. Scraping, bots, and any form of automated data collection are strictly prohibited.

11

Limitation of Liability & Indemnity

399b is not liable for the following:

  • Bets lost due to internet disconnection or device issues.
  • Transactions delayed due to third-party payment providers.
  • Loss resulting from unauthorized access to a user's account credentials.
  • Service suspension due to government regulation or legal changes.
  • Force majeure events — disruptions caused by natural disasters, war, or epidemics.
Warning: Gambling carries financial risk. Only wager an amount you can afford to lose. 399b is not liable for any personal financial losses incurred through betting.

The user agrees to compensate 399b for any losses arising from a breach of these Terms & Conditions.

12

Changes to Terms & Contact

399b reserves the right to update these Terms & Conditions at any time. A notice will be posted on the website before changes take effect. For significant updates, registered users will also be notified by email.

Continued use of the platform after any changes takes effect constitutes acceptance of the updated terms. For questions or comments about the Terms & Conditions, please contact us:

  • Email: support@399b.ws
  • Support: Via 24/7 Live Chat
  • Response Time: Responses are typically provided within 24 hours.
Still have questions? Our FAQ Page Check there — common questions are answered in plain, easy-to-understand English.

Done reading the terms? Get started now.

Now that you know everything, register on 399b and enjoy the best betting experience in Bangladesh.

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