cb-tax-compliance-navigator（CB 税务合规导航器）

Cross-border Tax Compliance Navigator

Overview

Cross-border Tax Compliance Navigator (International tax obligations and VAT/GST compliance framework). This skill provides a structured framework for planning and implementing cross-border tax compliance strategies in international e-commerce contexts. It is designed for businesses expanding into new markets and needing guidance on tax-related considerations.

The framework covers market assessment, regulatory compliance, implementation planning, and ongoing management. It focuses on practical, actionable guidance that businesses can adapt to their specific circumstances.

Trigger Keywords

• "cross-border tax compliance"
• "international VAT/GST framework"
• "tax obligations for e-commerce"
• "multi-jurisdiction tax requirements"
• "VAT registration thresholds"
• "cross-border tax planning"

Workflow

1. Input Analysis: Parse user input to extract target markets, business parameters, and specific tax requirements
2. Tax Obligation Mapping: Generate jurisdiction-specific tax obligations based on extracted parameters
3. Compliance Planning: Create a structured compliance implementation plan with phases and activities
4. Risk Assessment: Identify high, medium, and low-risk scenarios with mitigation strategies
5. Output Delivery: Return a comprehensive JSON response with analysis, recommendations, and disclaimers

Output Modules

Tax Obligation Mapping

• Jurisdiction-specific VAT/GST registration requirements and thresholds
• Tax rate structures including standard, reduced, and zero rates
• Filing frequency, deadlines, and electronic filing requirements
• Special rules including distance selling, one-stop-shop, and reverse charge
• Registration processes and responsible authorities

Compliance Implementation Plan

• Phase 1 Assessment: Determine requirements per target market
• Phase 2 Registration: Prepare documentation and submit applications
• Phase 3 Systems: Implement tax calculation and collection systems
• Phase 4 Reporting: Establish filing processes and ongoing compliance

Risk Assessment

• High-risk scenarios including audit probability and penalty structures
• Medium-risk scenarios including complexity and error likelihood
• Low-risk scenarios with mitigation strategies
• Jurisdiction-specific mitigation recommendations

Safety & Compliance

• Professional disclaimers and limitations clearly stated
• Guidance on when to seek professional tax advice
• Information verification recommendations

Safety & Limitations

Safety Boundaries

• No Professional Advice: Provides informational frameworks only. Does not replace qualified tax professionals.
• No Real-Time Data: Based on general frameworks, not current regulations. Regulations change frequently.
• No Transactions: No payment processing, tax calculations, or financial transactions.
• No Code Execution: Pure descriptive implementation. No shell commands or network requests.
• Descriptive Only: Provides planning frameworks and guidance only.

Limitations

• Tax regulations may become outdated and require verification
• Business-specific factors may alter applicable requirements
• Jurisdiction-specific nuances may not be fully captured
• Does not include tax treaty considerations
• Product classification nuances may affect applicable rates

Example Prompts

Level 1: Basic Inquiry

"What are my tax obligations for selling in Germany?"

Level 2: Specific Scenario

"US LLC selling digital products to EU customers via own website"

Level 3: Complex Planning

"Multi-market expansion to Germany, France, UK, Australia with mixed physical/digital goods"

Level 4: Detailed Case

"US corporation selling physical goods to Germany and France with Euro 100k annual sales"

Acceptance Criteria

Functional Requirements

• Returns valid JSON structure from handle() function
• Includes input_analysis field with parsed input information
• Contains proper disclaimer with safety boundaries
• Provides skill-specific tax obligation mapping
• Differentiated from other cross-border e-commerce skills

Quality Requirements

• Clear and structured output
• Comprehensive framework coverage
• Actionable implementation guidance
• Proper safety boundaries enforced
• Input differentiation verified through tests

Integration

Complementary Skills

• Works with cb-compliance-framework for broader compliance coverage
• Integrates with cb-market-entry-strategist for market-specific planning
• Supports cb-multi-currency-pricing for tax-inclusive pricing strategies

Input/Output Flow

• Accepts natural language input via handle() function
• Returns structured JSON for system integration
• Can be chained with related skills for multi-faceted analysis

Version History

v1.0.0 (2026-04-22)

• Initial release
• Basic tax obligation mapping for key markets
• Compliance implementation framework with phases
• Risk assessment with jurisdiction-specific considerations
• Input parsing and parameter extraction
• JSON output with input_analysis and disclaimer
• Safety boundaries and limitations documentation
• Test coverage with 6 tests per skill

Technical Details

Handler Interface

Dependencies

• None (pure Python standard library only)

File Structure

• handler.py: Main handler implementation
• tests/test_handler.py: Unit tests (6 tests)
• SKILL.md: This documentation file
• skill.json: Skill metadata and configuration
• ACCEPTANCE.md: Acceptance criteria documentation
• .claw/identity.json: Identity and authorship information

Test Coverage

• JSON output validation test
• Disclaimer presence and content test
• Input differentiation test
• Jurisdiction-specific functionality test
• Product category-specific test
• Differentiation evidence test