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LEGAL

Billing & Payment Policy

How BizChain Viet Nam handles invoicing, payments, and contract milestones for enterprise consulting and professional services.

This Billing & Payment Policy explains how BizChain Viet Nam Company Limited (“BizChain”) handles billing, invoicing, and payments for our enterprise consulting, web architecture engineering, and professional technical services.

This policy supplements our Terms of Service.

1. Client Applications Disclaimer (Chasoft Labs)

BizChain does not bill, collect payments, sell consumer subscriptions, or process transactions for end-users of Vietcotuong, Karace, or Family Tree Studio.

  • Independent Product Ownership: Applications including Vietcotuong, Karace, and Family Tree Studio are proprietary software platforms owned and operated exclusively by Chasoft Labs (a private TechLab).
  • No Consumer Billing: Any subscriptions, premium memberships, virtual items, or paid features offered on those platforms are managed directly by Chasoft Labs under their own billing policies and payment processor accounts.
  • Inquiries and Refunds: BizChain is not a party to consumer transactions on Chasoft Labs platforms and does not issue refunds, process chargebacks, or provide payment support for those applications. All such inquiries must be directed to Chasoft Labs.

2. Professional Services Billing (B2B)

BizChain provides enterprise software consulting, custom web architecture engineering (SSR, PWA, WASM), and cloud infrastructure management for corporate clients.

2.1 Contracts and Quotations

All commercial services are delivered pursuant to formal written agreements, Statements of Work (SOW), or accepted corporate proposals detailing scope, timeline, milestones, and deliverables.

2.2 Invoicing and VAT

  • All official invoices are issued electronically as Value Added Tax (VAT / Hóa đơn điện tử GTGT) invoices in compliance with the Ministry of Finance and General Department of Taxation of Vietnam.
  • Corporate client tax code (MST), registered enterprise name, and official billing address are verified prior to invoice issuance.

2.3 Payment Methods

Payments for professional services are accepted via:

  • Corporate Bank Transfer: Directly to BizChain’s official corporate bank accounts registered in Vietnam.
  • Enterprise Card / Wire Transfer: For approved international corporate clients, through authorized corporate payment rails.

2.4 Milestones & Retainers

  • Milestone Engagements: Billed upon completion and verification of agreed project milestones.
  • Monthly Retainers / Support: Billed in advance at the start of each service cycle, unless otherwise specified in the service contract.

3. Cancellation and Termination of B2B Contracts

Cancellation of professional service contracts is governed by the specific terms of the executed agreement between BizChain and the client. Unless stipulated otherwise in a written contract:

  • Work completed up to the date of cancellation is billable and payable.
  • Advance retainer payments for commenced billing cycles are non-refundable once engineering resources have been allocated.

4. Taxes & Regulatory Compliance

Invoices issued by BizChain include applicable Vietnamese VAT (currently standard 10% or 8% depending on applicable statutory tech incentives). Clients are responsible for any local withholding taxes applicable in their home jurisdictions for cross-border transactions.

5. Contact & Billing Support

For corporate billing, contract inquiries, or VAT invoice requests: