3999bt Terms & Conditions – Full Terms for Membership, Betting & Payments

01Introduction & Applicability

3999bt (domain: 3999bt.best) is an online betting and gaming platform operated primarily to serve users in Bangladesh. These Terms & Conditions apply to the 3999bt website, mobile app, and all associated services.

By using any service on 3999bt, you are considered to have fully read, understood, and agreed to these Terms and Conditions. If you object to any term, please refrain from using the platform.

• These terms and conditions have been prepared in Bengali, and the Bengali version shall be considered the definitive text.
• 3999bt reserves the right to update these Terms at any time and will notify members in advance of any changes.
• Service types and availability are subject to change without prior notice.

02Membership & Registration

Opening an account on 3999bt requires meeting certain eligibility criteria. It is the member's own responsibility to ensure they meet these requirements.

• You must be at least 18 years old to register. Proof of identity may be requested for age verification.
• Each person may register only one account. Creating multiple accounts is strictly prohibited.
• All information provided at registration must be truthful and accurate. Providing false information will result in account termination.
• A valid Bangladeshi mobile number and an active email address are required.
• By registering, you confirm that you have read and agreed to these Terms and Privacy Policyagreeing to.

03Account Management

It is each member's own responsibility to ensure the security and proper use of their 3999bt account.

• Your login credentials (username and password) must be kept strictly confidential. Sharing them with anyone is prohibited.
• Any suspicious activity detected on your account must be reported to 3999bt support immediately.
• To update account details such as your name, email, or mobile number, please contact the support team for assistance.
• The registered payment method (bKash/Nagad number) and the account must belong to the same person.
• Using third-party software or bots to log in or place bets on the platform is strictly prohibited.

04Deposits & Withdrawals

All financial transactions on 3999bt are conducted in Bangladeshi Taka (৳). The table below outlines the key limits.

• Withdrawals can only be made to the same payment method used for the deposit.
• Withdrawals are not permitted while an active bonus balance remains — the wagering requirement must be completed first.
• KYC (identity verification) must be completed before processing large withdrawal amounts.
• 3999bt reserves the right to hold any transaction suspected of involving money laundering or funds from an illegal source.

05Betting Rules

3999bt has a set of core betting rules that apply to all members.

• Once a bet is confirmed, it cannot be changed or cancelled under any circumstances.
• If a match or event is fully cancelled, the bet amount will be refunded. Separate rules apply for postponed or rescheduled events.
• Odds displayed on the website are subject to change at any time. The odds at the moment a bet is confirmed are final.
• If a technical error or system failure causes abnormal odds to be displayed, 3999bt reserves the right to void the affected bets.
• If one event in an accumulator bet is cancelled, that selection will be removed and the remaining odds will be recalculated accordingly.
• Minimum and maximum bet amounts vary by sport. Limits are displayed on the relevant market.

06Bonuses & Promotions

The general terms governing 3999bt's bonuses and promotions are listed below. Individual bonuses may also carry their own detailed terms, which can be found on the Promotions page are displayed.

• Each bonus must meet its specific wagering requirements before it can be used. Bonus balances cannot be withdrawn until wagering is complete.
• While a bonus is active, you generally cannot claim another bonus at the same time.
• Any unused bonus balance will be automatically removed once the bonus expires.
• 3999bt reserves the right to modify or discontinue any bonus offer at any time at its discretion.
• If bonus abuse is suspected, the bonus will be voided and the account may be subject to investigation.
• For referral bonuses, the bonus is awarded once the referred person completes their first deposit.

07Lottery Terms & Conditions

Participation in 3999bt's lottery section is subject to specific terms and conditions.

• Purchasing a ticket guarantees entry into the draw. Tickets bought after the sales cutoff will be carried over to the next draw.
• Draws are conducted using a neutral, verifiable random process with no human intervention.
• Prizes are typically credited to the winner's account within 24 hours of the draw.
• Mega Jackpot winners will receive their prize only after completing KYC verification.
• Bonus tickets are valid for specific draws only — not all draws. Each bonus ticket has an expiry date.

08Prohibited Activities

The following activities are strictly prohibited on 3999bt. Involvement in any of these may result in account termination and forfeiture of balance.

• Creating multiple accounts to take advantage of bonuses or promotions.
• Registering or transacting using a false identity or someone else's details.
• Using software bots, scripts, or automation tools to place bets or play games.
• Deliberately exploiting technical errors or incorrect odds to gain an unfair advantage.
• Using the platform to launder money or conceal the source of illegal funds.
• Harassing or attempting to defraud other members.
• Any attempt to hack or gain unauthorised access to 3999bt's systems.

09Account Closure & Suspension

3999bt reserves the right to temporarily or permanently close a member's account under the following circumstances.

• If there is suspicion or evidence of a terms and conditions violation.
• Providing false or insufficient information during KYC verification.
• In cases of extended inactivity (no login for more than 18 months).
• The member has submitted a request to close their own account.

If you wish to close your account, please contact us via Live Chat. You will be given the opportunity to withdraw your balance to a verified payment method before the account is closed.

10Responsible Gaming

3999bt treats responsible gaming not just as a rule, but as a genuine commitment. The guidelines in this section are in place to protect our members.

• Members can set deposit limits, betting limits, or session timers at any time.
• Once self-exclusion is activated, your account will be suspended for the specified period, and 3999bt will keep it enforced throughout.
• Any account found to belong to a person under 18 will be closed immediately.
• If signs of gaming addiction are identified, 3999bt will advise the member to seek professional support.

11Privacy & Data

3999bt treats the protection of members' personal data as its highest priority.

• Members' personal information will not be sold or transferred to third parties.
• Payment information is stored in encrypted form and used solely for the necessary processing.
• Information may be disclosed when required by law or at the request of a regulatory authority.
• Members may contact support to view or update their information.

To learn more about our detailed data protection policy Privacy Policy View page.

12Changes to Terms

3999bt reserves the right to modify these Terms and Conditions, in part or in full, at any time.

• Members will be notified via email or in-app notification before any significant changes take effect.
• Continued use of the platform after any changes take effect will be considered acceptance of the updated terms.
• The latest version of these Terms will always be available on this page.
• If a member disagrees with updated Terms, they may close their account.