Perimattic
tax-compliance

SAP S/4HANA ↔ Vertex — Global Indirect Tax Determination

The SAP S/4HANA ↔ Vertex connector by ERPPlugs calls Vertex O Series for real-time tax determination on every S/4HANA Sales Order + Purchase Order + AP Invoice — global VAT, GST, US sales tax with rate updates handled by Vertex. Returns generated per jurisdiction match Vertex Compliance filings. Replaces per-country tax table maintenance in S/4HANA.

Vertex O Series calls on every S/4HANA transaction for real-time global tax determination — VAT, GST, US sales tax with rate updates handled centrally.

SAP S/4HANA
Vertex
5-minute setup30-day money backNo coding required
Overview

What this connector does

Vertex O Series is the enterprise tax-determination platform for global VAT + GST + US sales tax; it is deployed at most Fortune 500s alongside S/4HANA. The ERPPlugs S/4HANA ↔ Vertex connector uses SAP's External Tax System interface + Vertex's standard SAP connector to route every Sales Order line, Purchase Order line, and AP Invoice line through Vertex for real-time rate determination. Vertex maintains rate updates globally so S/4HANA never needs per-country tax table maintenance. Compliance data flows back to Vertex Returns for jurisdiction filings.

At a glance

Category
tax-compliance
Capabilities
10
Synced data types
4
Setup time
~5 minutes
Architecture & Sync

How data flows and what gets synced

The bridge between SAP S/4HANA and Vertex, and the exact records that move across it.

Data flow
SAP S/4HANA

SAP S/4HANA

ERPPlugs

ERPPlugs Engine

Vertex

Vertex

What flows across
Tax determination callsTax rate updatesCompliance dataNexus + registration
Sync details
Data TypeDirectionFrequency
Tax determination callsS/4HANA → VertexReal-time
Tax rate updatesVertex → S/4HANAOn Vertex update
Compliance dataS/4HANA → Vertex ReturnsDaily
Nexus + registrationVertex → S/4HANAOn event
Capabilities

What's included

Everything this connector automates out of the box, no extra setup required.

SAP External Tax System interface (RFC + BAPI)
Real-time tax determination on SO + PO + AP Invoice
Global VAT, GST, US sales tax coverage
Nexus + registration data flows from Vertex
Vertex Compliance return data feed
Multi-jurisdiction + multi-currency handling
Tax invoicing + credit note support
Nature-of-transaction + product-taxability codes preserved
Marketplace Facilitator scenarios handled
Audit-log retention per SAP GRC
Why It Matters

Key Benefits

What changes for your team once this connector goes live.

No More Tax-Table Maintenance

Global rate updates handled by Vertex centrally.

Real-Time Determination

Every SO + PO + AP line taxed at post-time.

Compliance Feed Automated

Vertex Compliance filings match S/4HANA books.

Marketplace Facilitator Handled

MPF logic applied on marketplace-sourced revenue.

Free to Try

Try the SAP S/4HANA ↔ Vertex Connector Free

Start with 1 connector and 100 transactions/month — no credit card required. See real data flowing between SAP S/4HANA and Vertex inside 5 minutes.

Compliance & Setup

Compliance-ready. Live in minutes.

What you get out of the box for statutory compliance — and the exact steps to go live.

Setup in Minutes

1

Configure S/4HANA External Tax System

Activate FTXP with Vertex as tax procedure per country.

2

Authorise Vertex O Series

Grant ERPPlugs Vertex API + calling credentials.

3

Map tax categories + registrations

Sync Vertex nexus + registration data into S/4HANA.

4

Enable determination + compliance

Turn on real-time tax determination + daily compliance feed.

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Keep Exploring

Explore More

Docs, guides, and other ways to get more out of SAP S/4HANA.

Answers

Frequently Asked Questions

Native tax tables require per-country + per-jurisdiction maintenance and don't scale to global enterprises with 50+ jurisdictions. Vertex maintains rates, rules, and nexus centrally with monthly content updates. Enterprises with US + EU + APAC operations typically save 100+ hours per quarter on tax-table maintenance alone.

SAP's External Tax System interface (activated in transaction FTXP) sends every SD Sales Order line and MM Purchase Order line to Vertex for rate determination. Vertex returns tax code + amount which S/4HANA persists on the document.

Vertex Compliance takes transaction data feeds and generates filings per jurisdiction. The connector routes S/4HANA transactional detail to Vertex Compliance daily; filed returns match Vertex's outputs.

For US + EU + UK jurisdictions where marketplaces (Amazon, eBay, Walmart) collect tax as Marketplace Facilitators, the connector applies Vertex's Marketplace Facilitator logic on S/4HANA revenue postings so the seller's own returns reflect only their own-collected tax.

Yes — SAP DRC handles e-invoicing + statutory reporting; Vertex handles rate determination. The two typically layer: Vertex determines the tax, DRC handles the electronic invoice + statutory filing.

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