A marketplace may collect tax from the customer and remit it directly while also netting fees, refunds, reserves, and advertising charges from the seller payout. Order reports, tax reports, payout statements, and bank deposits therefore answer different questions.
The goal is not to force every number to zero. It is to explain each movement using the records the business is authorized to use, distinguish timing from a real discrepancy, and put decisions in front of the right reviewer. That makes the work suitable for offshore bookkeeping support: the preparer handles repeatable evidence work while the company retains authority.
Useful background for designing the procedure includes Streamlined Sales Tax marketplace resources and IRS recordkeeping guidance. These sources do not replace the company’s contracts, accounting policy, or professional advice. Record the version and access date when a changing rule or provider document affects the workflow.