Legal Documents

B399 Terms and Conditions — Please read before use

Please read these Terms & Conditions carefully before using the b399 platform. All rules relating to accounts, bonuses, payments, gaming, and privacy are clearly explained here.

Last Updated: January 2026
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Welcome to b399.onl. These Terms & Conditions ("Terms") apply to the use of all services on the b399 platform. By accessing the site or creating an account, you are deemed to have automatically accepted these Terms. If you do not agree with any of the Terms, please refrain from using the site.

1. Acceptance of Terms & Consent

Terms Acceptance

By starting to use the b399 platform, you acknowledge that you have read and agree to these Terms and Conditions You have read, understood, and agreed to comply with these terms. This Terms and Conditions constitutes a legally binding agreement between you and b399.

B399 reserves the right to change, amend, or update these Terms & Conditions at any time. Continued use of the site after any changes constitutes your acceptance of the updated Terms & Conditions. The date of the most recent update will always be displayed at the top of this page.

These Terms & Conditions are written in plain language so that every user can understand them with ease. If anything is unclear, please contact our support team.

2. Eligibility & Age Requirements

Eligibility & Age Restriction

To use b399's services, you must meet the following eligibility requirements:

  • You must be at least 18 years must be.
  • Online gaming or betting must be legally permitted in the country or region where you reside.
  • You must register using your own real identity — opening an account under someone else's name or with false information is strictly prohibited.
  • You are of sound mind and are voluntarily using this service.

Under 18 years of age No one is permitted to use b399. Any account found to belong to a minor will be closed immediately and the balance may be forfeited.

B399 may request documents for age or identity verification at any time. Withdrawals may be temporarily suspended until verification is complete.

3. Account Registration & Security

Account Registration & Security

One Account, One Person

Each individual may only One Account Only one account is permitted per person. If multiple accounts belonging to the same individual are detected, all accounts will be closed and bonuses will be forfeited.

Providing accurate information is mandatory

You must provide accurate name, phone number, date of birth, and payment details at registration. Incorrect or false information will prevent account verification and may result in withdrawals being blocked.

Password & Account Security

Keep your login credentials completely confidential. Do not allow anyone else to access your account. If you suspect any unauthorised access to your account, contact our support team immediately. b399 will never ask for your password by email or phone.

  • Use a strong password — combine uppercase letters, lowercase letters, numbers, and symbols.
  • Avoid logging in over public Wi-Fi.
  • Change your password regularly.

4. Deposit & Payment Rules

Deposit & Payment Rules

Deposits on b399 can be made via bKash, Nagad, and Rocket. Please note the following before making a deposit:

  • Minimum deposit amount: BDT 100
  • Deposits are typically credited instantly; if there is a delay for any reason, it will be resolved within 24 hours.
  • Only use your own payment method — deposits from someone else's account are not accepted.
  • If a third-party payment is detected, the deposit will be refunded and the account will be investigated.
  • There are no processing fees on deposits.

For full details and methods on depositing, visit our Deposit Page View.

5. Withdrawal Rules

Withdrawal Policy

Withdrawing your winnings on b399 is quick and easy. However, the following rules must be followed:

  • Minimum withdrawal amount: BDT 500
  • Withdrawal requests are typically processed within 15 minutes to 24 hours Be processed.
  • Withdrawals will only be made to the same payment method used for the original deposit.
  • Large withdrawals may be temporarily held if KYC verification has not been completed.
  • Winnings from bonuses require the wagering requirement to be fulfilled before withdrawal.

Reasons for Withdrawal Rejection

A withdrawal request may be declined or suspended for any of the following reasons:

  • Account verification incomplete.
  • Bonus wagering requirements not met.
  • Suspicious activity detected on the account.
  • Payment information mismatch.

6. Bonuses & Promotional Offers

Bonus & Promotional Terms

B399's Terms and Conditions Specific conditions must be met in order to claim bonuses and promotional offers. Separate terms apply to each bonus.

General Bonus Terms & Conditions

  • The welcome bonus is available to newly registered members only and applies to the first deposit.
  • To withdraw from a bonus, you generally need to 20 to 30 times Wagering requirements must be met.
  • If multiple accounts from the same IP address, device, or household claim a bonus, all bonuses will be cancelled.
  • Bonuses are typically valid for 30 days. Any bonus not used within the specified period will be forfeited.
  • Bonus balance cannot be transferred to another account.

Any attempt to abuse bonuses — such as arbitrage betting or claiming bonuses with multiple accounts — will result in account closure.

B399 reserves the right to modify, suspend, or cancel any promotion at any time. To learn more about the VIP program, VIP Page View.

7. Gaming Rules & Fair Play

Gaming Rules & Fair Play

All games on b399 are certified RNG (Random Number Generator) Powered by technology. Every outcome is completely random and impartial. Independent third-party auditors regularly verify the fairness of our games.

  • If a technical issue occurs during a game, the round will be considered void and the bet will be refunded.
  • B399 reserves the right to void any payment resulting from abnormal winnings caused by a software error.
  • In Live Casino games, the dealer's decision is final.
  • In Sports Betting, if a match is cancelled, your bet will be refunded.
  • Any disputes regarding game outcomes must be reported to Support within 72 hours.

B399 reserves the right to set gaming limits. To learn more about responsible gaming, Responsible Play Page View.

8. Prohibited Activities

Prohibited Activities

B399's Terms and Conditions The following activities are strictly prohibited under these rules:

  • Creating multiple accounts or using someone else's account.
  • Using bots, automated software, or scripts to play games.
  • Exploiting game glitches or vulnerabilities to gain an unfair advantage.
  • Using the platform for money laundering or any other illegal financial activity.
  • Abusive or inappropriate behaviour towards other players or b399 staff.
  • Attempting to hack the system or breach its security.
  • Syndicate betting for the purpose of bonus abuse.
  • Attempting to verify an account using a false identity or forged documents.

If any of the above prohibited activities are detected, the account will be permanently closed, all balances and bonuses will be forfeited, and legal action may be taken if necessary.

9. Privacy & Data Protection

Privacy & Data Protection

B399 places the highest priority on the security of your personal information. We use the latest SSL Encryption We use technology to keep your data secure.

The information you provide is used solely for the following purposes:

  • Account Verification & Management.
  • Payment processing and transaction verification.
  • Sending promotional offers and important updates.
  • Meeting applicable legal and regulatory requirements.

B399 never sells your personal information to third parties. For more details, please refer to our Privacy Policy Read.

10. Account Closure & Suspension

Account Termination & Suspension

B399 reserves the right to temporarily or permanently suspend any account, for any reason. Accounts are typically closed for the following reasons:

  • Violation of these Terms & Conditions.
  • Fraudulent or deceptive activity.
  • Failure to complete identity verification.
  • Access from a restricted region.
  • Order from a court or regulatory authority.

If you wish to close your account

You may also voluntarily close your account at any time by contacting our support team. Please withdraw any outstanding balance before closing your account. Bonus balances with unmet wagering requirements cannot be withdrawn.

11. Limitation of Liability

Limitation of Liability

B399 strives at all times to ensure uninterrupted service. However, b399 will not be held liable in the following circumstances:

  • When a game is interrupted due to loss of internet connection or a technical issue.
  • Payment delays caused by issues with third-party payment providers.
  • Unauthorized access to the account resulting from the user's own negligence.
  • When data is temporarily unavailable due to an unexpected technical error.

B399's total liability shall in no event exceed the value of the transaction in question. Online gaming inherently carries financial risk — please play responsibly.

12. Right to Amend Terms & Conditions

Right to Modify Terms

B399 reserves the right to update these Terms and Conditions Reserves the right to modify, add, or remove terms. Any changes will be reflected by an updated date on this page.

For significant changes, b399 may notify registered members by email or SMS. Continued use of the site following any changes will be taken as acceptance of the updated Terms & Conditions.

Check this page regularly to stay up to date with the latest rules and terms.

Our Core Commitments

B399 always puts transparency, security, and player protection first.

100% Transparent Rules

No hidden terms. Every rule is written in clear, plain language so that all members can understand them easily.

SSL-Secured Platform

Your personal and financial information is fully secured using the latest SSL encryption technology.

Licensed & Audited

B399 is fully licensed. Independent third-party auditors regularly verify the fairness of our games.

24/7 Support

Our support team is available around the clock for any issue you encounter. Fast and effective resolution guaranteed.

Responsible Gaming

Player wellbeing is our top priority. Self-exclusion and limit-setting tools are always available.

Fast Payments

Fast deposits and withdrawals via bKash, Nagad, and Rocket. Most withdrawals are processed in as little as 15 minutes.

Rules & Regulations FAQ

Yes, b399 may update the Terms and Conditions at any time. When changes are made, the date on this page will be updated, and members will be notified of any significant changes. We recommend checking this page regularly.

Yes, each bonus has its own wagering requirement. Typically, you need to wager 20–30 times the bonus amount before it can be withdrawn. The standard validity period for a bonus is 30 days. Full details are stated in each offer's terms.

Account verification (KYC) is carried out for your own security. It confirms that the account is being operated by its rightful owner. Large withdrawals may be held if verification has not been completed.

No, each person may only open one account. If multiple accounts belonging to the same individual are detected, all accounts will be closed and all bonuses will be forfeited.

Contact our 24/7 support team. Please withdraw any outstanding balance before closing your account. A self-exclusion option is also available for responsible gaming purposes.
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