Intermediate

E-commerce: Marketplace Nexus & Sales Tax

Determines sales tax obligations for sellers on platforms like Amazon or Shopify.

Analyze the sales tax obligations for {company_name} selling on {marketplace_platform}. With {revenue_amount} in sales across {number_of_states} states, identify which states are 'Marketplace Facilitator' states where the platform collects tax, and where the company must register due to economic nexus.

Related Prompts

Tax

Beginner

Estimated Tax Payment Schedule (Safe Harbor)

Calculates quarterly payments to avoid underpayment penalties using safe harbor rules.

Withholding tax (WHT) assessment for cross-border payments

Creates a WHT assessment checklist for cross-border payments, including treaty considerations and documentation needs. Useful for AP/treasury and tax to avoid surprises.

GPT-5.2 Thinking; GPT-4.1; o3-mini

211

Tax

Intermediate

Apportionment workpaper: factor sourcing rules and tie-outs

Builds an apportionment workpaper template and ties factor data back to GL/subledgers. Useful for defensible SALT filings and audit readiness.

GPT-5.2 Thinking; GPT-4.1; o3-mini

159