Official Policies

3999b Terms & Conditions – Your Complete Guide to Using the Platform

Please read these Terms and Conditions carefully before creating an account or using any services on 3999b. They define the rights and responsibilities of both you and 3999b.

Last Updated: July 2026

Section 01

Introduction & Applicability

3999b is a trusted online betting platform in Bangladesh. These Terms and Conditions ("Terms") constitute a legally binding agreement between 3999b and the member. By registering or using the platform, you are considered to have fully accepted these Terms.

These Terms apply to all 3999b services – Sports Betting, Live Casino, Lottery, Virtual Sports, and any other section. If you do not agree to these Terms, please stop using the platform and contact support to close your account.

Important: These Terms and Conditions are written in Bengali for the convenience of Bangladeshi members. For any clarification, please contact the3999b support team.

Section 02

Registration & Eligibility

To open an account with 3999b, you must meet the following eligibility requirements:

  • You must be at least 18 years old. Registration by minors is strictly prohibited.
  • You must be a resident of Bangladesh or a country where online betting is legally permitted.
  • Each individual may register only one account. Creating duplicate accounts is strictly prohibited.
  • All information provided at the time of registration must be truthful, accurate, and up to date.
  • Bypassing geographical restrictions using proxies, VPNs, or any other method is strictly prohibited.

Warning: Registering with false information will result in permanent account closure, and any deposited funds may be forfeited.

KYC Verification Process

To ensure security and prevent fraud, 3999b reserves the right to verify members' identities (KYC). A national ID card, passport, or driving licence may be required. Withdrawals may be held until verification is complete.

Section 03

Account Management

You are solely responsible for the security of your 3999b account. Keep your password and login credentials strictly confidential and never share them with anyone.

  • Transferring or selling your account to another person is strictly prohibited.
  • If your account is accessed without your permission, notify 3999b support immediately.
  • You can update your account information at any time, though changes may require re-verification.
  • An inactivity fee may apply to accounts that have been dormant for an extended period (over 12 months).

Tip: Use a strong password and enable two-factor authentication to keep your account secure.

Section 04

Deposits & Withdrawals

3999b supports bKash, Nagad, Rocket, and other Bangladeshi payment methods. All transactions are processed in Bangladeshi Taka (BDT).

Deposit Terms & Conditions

  • The minimum deposit amount varies by payment method.
  • Deposits are usually credited instantly. If there is a delay, please contact support.
  • Only deposit from payment accounts registered in your own name.

Withdrawal Terms

  • Withdrawals can only be made to the same payment method used for the deposit.
  • Withdrawal requests may take 24–72 hours to process.
  • Withdrawals may be delayed if bonus wagering requirements have not been met.
  • Suspicious withdrawal requests may be held for investigation.

Please Note: Payments made through third-party accounts will be cancelled and may put your account at risk.

Section 05

Bonuses & Promotions

3999b regularly offers a variety of bonuses and promotional deals. All bonuses come with their own terms and conditions, which you should read carefully before claiming.

Wagering Requirement

To withdraw a bonus, you must wager a specified amount – this is called a wagering requirement. For example, a 30x wagering requirement means you need to bet 30 times the bonus amount before withdrawing.

  • Each bonus has its own individual wagering requirement.
  • A minimum odds requirement applies to bets placed using bonus balance.
  • Multiple bonuses cannot be claimed simultaneously unless explicitly permitted under separate terms.
  • Wagering must be completed before the bonus expires.

Tips: For full details on bonus offers, Bonus PageVisit.

Section 06

Betting Rules

All betting decisions made on 3999b are final. Bets may be voided or amended in the event of a technical issue.

  • Once confirmed, bets cannot be changed or cancelled (except where a cash-out option is available).
  • Bets placed at existing odds remain valid if the odds change.
  • If an event is cancelled or suspended, bet stakes will be refunded.
  • Maximum bet amounts vary by event and market and are subject to change.
  • Multiple bets on the same event may be placed from the same account, but within defined limits.

Live Betting

Odds in Live Betting change in real time. Due to network delays, there may be a discrepancy between the odds when you placed your bet and the current odds. In such cases, the odds recorded in 3999b's system will be considered final.

Section 07

Prohibited Activities

Engaging in any of the following activities may result in permanent account closure and forfeiture of your balance:

  • Arbitrage Betting: Placing bets on the same event across multiple platforms in an attempt to guarantee a profit.
  • Bonus Abuse: Exploiting the bonus system unfairly or claiming bonuses across multiple accounts.
  • Money Laundering: Using the platform for money laundering purposes.
  • Fraud: Using hacking, phishing, or any other fraudulent methods.
  • Match-Fixing: Participating in or facilitating match fixing or sports corruption.

Legal Notice: 3999b reserves the right to notify the relevant authorities if involvement in any of the above activities is detected.

Section 08

Responsible Gaming

3999b believes betting should be a form of entertainment and should never cause you financial or emotional harm. That is why responsible gaming is our top priority.

  • Deposit Limits: Set daily, weekly, or monthly deposit limits.
  • Betting Limits: Set a maximum bet amount for a specified time period.
  • Cooling-Off Period: Take a break from betting for a set period of time.
  • Self-Exclusion: Option to permanently close your account.
  • Reality Check: You will be reminded at regular intervals how long you have been playing.

If You Need Help Responsible Gaming Visit the page or contact support directly.

Section 09

Account Suspension Policy

3999b reserves the right to suspend any account, temporarily or permanently, at any time and for any reason. Grounds for suspension may include:

  • Violation of these Terms and Conditions.
  • Suspicious or unusual activity.
  • Providing false information or failing to complete verification.
  • Abusive behavior toward support staff.
  • By court order or for legal reasons.

If an account is suspended, 3999b will notify the member by email. Any eligible balance (excluding bonuses) will be refunded once the investigation is complete.

Section 10

Dispute Resolution

For any disputes or complaints, contact 3999b customer support first. Most issues can be resolved directly through our support team.

Complaint Process

  • Step 1: Send a detailed complaint to support@3999b.ws.
  • Step 2:Our team will review your complaint within 48 hours.
  • Step 3: A decision will be communicated within 7 business days following the necessary investigation.
  • Step 4: If you are not satisfied with the outcome, you may use an alternative dispute resolution (ADR) process.

Please Note: Complaints regarding bet outcomes must be submitted within 30 days of the result being published.

Section 11

Changes to Terms & Conditions

3999b reserves the right to modify these Terms and Conditions at any time. Members will be notified in advance of significant changes via email or on-platform notification.

Continued use of the platform after updated Terms are published will be taken as acceptance of the new Terms. We recommend checking this page regularly.


Why You Can Trust 3999b

Bet by the rules and 3999b will always be by your side.

Clear Rules & Regulations

Every rule and condition at 3999b is clearly written in Bengali. No hidden terms, no tricks — what's stated is what applies.

Secure Payment System

Every transaction is protected by SSL encryption and advanced firewalls. From deposits to withdrawals, your security is our top priority.

24/7 Customer Support

Our support team is available around the clock for any issues you encounter. Reach us via live chat, email, or phone – and expect a fast resolution.

Fair Play Guaranteed

All odds and gaming results on 3999b are fully transparent and verifiable. No manipulation – fair play is our core commitment.

Licensed Platform

3999b is a licensed and regulated online betting platform, operating to international standards – your rights are protected.

Responsible Gaming

Our members' mental well-being and financial safety are our priority. Tools such as self-exclusion and limit setting are always available.


Get Started Now

Now that you know the rules, it's time to play!

You've read the 3999b Terms & Conditions – now start betting safely and responsibly. New members have an exciting welcome bonus waiting for them.

By registering, you agree to these Terms & Conditions and Privacy Policyyou are agreeing to.

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