What Your MoR Actually Handles for Tax (And What You Still Have to Do)

The Merchant of Record value proposition is most commonly described as “they handle your taxes.” That description is both true and dangerously incomplete. A MoR handles a specific kind of tax — consumption taxes on the sale of goods or services to the end customer — across a global footprint. It does not handle the rest of your tax obligations as a business, and the gap between what is covered and what is still your job is where operators most often get caught flat-footed.

For operators choosing a MoR, evaluating tax coverage means understanding both halves: what the MoR absorbs and where its responsibility ends. For operators already on a MoR, the same understanding determines what your finance team actually needs to do on top of the platform’s reporting.

What the MoR Absorbs: The Consumption Tax Stack

The MoR is the legal seller of record. That position carries a specific set of tax obligations across the jurisdictions where the MoR operates — primarily consumption taxes (VAT, GST, sales tax) on B2C and applicable B2B sales. The MoR handles:

EU VAT

EU VAT on cross-border B2C digital services has been levied at the consumer’s-country rate since 1 January 2015. The MoR registers for the One-Stop Shop (OSS) scheme — typically electing a single EU member state as its member state of identification — and files consolidated quarterly returns covering all EU sales. For physical goods sold to EU consumers, the Import One-Stop Shop (IOSS) covers low-value imports. The MoR handles registration, VAT rate determination per buyer country, collection at checkout, remittance to the OSS-administering member state, and quarterly filings.

For B2B sales within the EU, the MoR validates the buyer’s VAT ID via the VIES database, zero-rates the invoice under the reverse charge mechanism, and issues an invoice with the required reverse-charge reference. The buyer accounts for VAT in their own return.

UK VAT

The UK left EU OSS post-Brexit. UK VAT on digital services to UK consumers requires a separate UK HMRC registration — there is no threshold for non-UK sellers, so the MoR is registered for UK VAT and collects the 20% standard rate on B2C UK sales. UK B2B invoices to UK customers with a valid UK VAT ID follow reverse-charge rules similar to the EU framework. The MoR handles UK VAT independently from EU OSS.

US State Sales Tax

Post-Wayfair, each US state sets economic nexus thresholds for remote sellers — typically USD 100,000 in sales or 200 transactions per year. Many states have enacted marketplace facilitator laws that transfer the sales tax obligation from the underlying seller to the platform when the platform meets the marketplace facilitator definition. MoR platforms typically qualify as marketplace facilitators and are registered in the substantial majority of US states.

In practice, the MoR collects state sales tax at the right rate per state on each US sale, remits to each state authority, and files state returns. The underlying seller does not need to register for state sales tax in marketplace-facilitator-compliant jurisdictions where the MoR handles it. A small number of states or municipalities have unusual rules where the marketplace facilitator framework does not fully apply; the MoR handles those as edge cases on the seller’s behalf.

APAC and Other Markets

Beyond EU/UK/US, the MoR’s coverage extends to most major markets with cross-border digital services tax regimes:

• Australia GST on imported digital services (non-resident suppliers above AUD 75,000)
• India OIDAR GST on online information and database access services to Indian consumers
• Japan JCT on cross-border digital services
• Singapore GST on imported services (above SGD 100,000)
• New Zealand GST on remote services
• Norway VAT on electronically supplied services
• Switzerland VAT on digital services
• South Korea VAT on cross-border digital services

The footprint varies by MoR provider; this is one of the key factors to validate at vendor selection (see provider landscape for the four-vendor comparison).

Invoicing

Compliant tax invoicing is non-trivial. EU invoicing rules require specific information per invoice: VAT amount, VAT rate, both VAT IDs for B2B reverse-charge, customer details, sequential invoice numbering, and country-specific phrases. Some markets require electronic invoicing through government portals (Italy’s SdI, Mexico’s CFDI, certain Brazilian invoice flows). The MoR generates compliant invoices in each jurisdiction — typically co-branded with the seller name alongside the MoR identity, but with the MoR as the legal issuer.

For operators, invoicing is often the single most underrated part of the MoR value. Building a compliant multi-jurisdiction invoicing system in-house involves significant engineering and tax expertise; outsourcing it to the MoR is rarely worth replacing until the build economics are genuinely there.

What the MoR Does Not Handle

This is the part most operators underestimate. The MoR’s tax responsibility ends at consumption taxes on its sales. Everything else remains with the seller.

Your Income Tax

The MoR pays you a net amount after its fees, the consumption taxes it remits, and any chargebacks or reserves. That net amount is your revenue. Your corporate income tax (or profits tax, or self-employment tax if you operate as an individual) on that revenue is entirely your obligation, in your home jurisdiction. If your company is incorporated in Delaware, you file US federal corporation tax. UK Ltd, you file UK corporation tax. Singapore Pte, you file Singapore corporate income tax. The MoR’s tax handling does not affect this in any way.

Corporate Tax Filings in Your Home Jurisdiction

Annual returns, quarterly estimated tax payments, country-specific filings (UK CT600, US Form 1120, Singapore Form C, etc.) — all yours. The MoR provides a 1099-K-equivalent or similar gross-sales statement that you use as the revenue starting point on your own filings, but the filings themselves remain your responsibility.

Transfer Pricing

If your business operates as a multi-entity group — for example, IP in one jurisdiction, operations in another, sales in a third — transfer pricing documentation under OECD BEPS standards is required. The MoR has no involvement in this; it only sees the sales side, not your intra-group flows.

Your 1099 / Information Return Obligations

If you pay US contractors or suppliers, you have your own 1099 reporting obligations. The MoR’s tax handling covers your outbound sales, not your inbound payments to your own people. US 1099-NEC reporting for contractors, 1099-MISC reporting for various payments, FATCA reporting if applicable — all yours.

Withholding Tax

Some jurisdictions require withholding tax on payments to non-resident contractors, royalty payments, or other categories. If you make payments that trigger withholding obligations, those obligations are yours regardless of how your sales tax is handled.

Customs and Import Duty

For physical goods, customs duty and import VAT on the inbound side (importing goods you will sell) are separate from the consumption tax the MoR collects on the outbound sale. If you import inventory, customs handling is your obligation; the MoR’s IOSS coverage only covers the outbound side to end consumers.

Tax Positions on Your Operations

How you structure your team’s employment, where your IP sits, your global mobility approach, your treatment of digital nomad founders — none of this touches the MoR. Tax positions related to your operations as a business stay entirely with your tax advisors.

The Edge Cases Operators Miss

Three edge cases trip up MoR users most often.

B2B sales that should be reverse-charge but weren’t. If a B2B buyer doesn’t provide a valid VAT ID at checkout, the MoR treats the sale as B2C and applies VAT. The buyer’s tax position is sub-optimal — they paid VAT they could have reverse-charged — and they may push back on the invoice. The MoR’s checkout flow should prompt for VAT ID and validate it; the seller still needs to verify the flow works correctly and consider whether to enable B2B-specific checkout for known business customers.

Marketplaces and sub-sellers. If your business model involves sub-sellers (a course platform where individual creators sell their courses through your platform), the marketplace facilitator rules and VAT treatment get more complex. Most MoRs serve direct sellers, not multi-sided marketplaces. Marketplace-of-marketplaces structures may need payment facilitator arrangements rather than MoR, or a hybrid where the MoR handles end-buyer-to-platform tax but sub-seller revenue share creates a second tax obligation layer.

Refunds and chargebacks affecting tax remittance. When a transaction is refunded or charged back, the tax collected on it generally needs to be reversed in the next remittance cycle. The MoR handles this on the consumption tax side. Operators should verify their internal accounting matches the MoR’s tax reporting to avoid reconciliation issues at year-end.

Reading the MoR’s Tax Reporting

A well-run MoR provides tax reporting that includes: total gross sales per jurisdiction, consumption tax collected per jurisdiction, B2C vs B2B split, refunds and tax adjustments, and remittance summaries. Operators should:

• Reconcile the MoR’s reported gross sales against their own revenue recognition
• Track the consumption tax remitted as a memorandum item (you don’t recognise it as your revenue — it was never yours)
• Maintain access to the underlying invoice records (typically via API or report export)
• Validate the MoR’s tax position is consistent with your understanding (e.g., that B2B reverse-charge sales appear correctly)

The MoR doing your consumption taxes does not exempt you from understanding what they did. The operator who can’t read the MoR’s tax report is the operator who finds an unpleasant surprise when their first audit happens.

The Practical Bottom Line

A MoR is a tax operations function you have outsourced for the specific case of consumption taxes on your sales. It is one of the highest-value parts of the MoR proposition — building this capability in-house is genuinely difficult, and the MoR handles a meaningful share of what would otherwise be your finance team’s compliance work.

But it is not “tax in general.” Your income tax, your corporate filings, your transfer pricing, your 1099 obligations, your withholding tax, your customs handling, and your operational tax positions are all still your job. The operator who treats the MoR as “tax solved” misallocates their finance team. The operator who treats the MoR correctly — as consumption-tax-handled, everything-else-still-mine — gets the full value of what the platform provides and avoids the surprises that come from misunderstanding the boundary.