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PPWR 2026: Packaging Data from ERP to Your ShopPackaging master data, shipment volumes and per-fraction reportingData sourcesMiddlewareReport per material fractionItem master (ERP)Gross weight, EAN, set BOMPackaging masterMaterial, weight, levelShipment + delivery noteBox type, units, dateReturnsReturn as negative volumePackaging aggregationn:m item to packagingVolume per quarter + fractionReturn as minus volumeAudit-proof posting recordCut-off: shipping datenot invoice datePaper and board7.85Plastics3.04Glass2.91Wood, metal, composites4.10Packaging waste Germany 2023 in million tonnes (UBA)69.4%Recycling rate 2023186.5 kgper capita EU 202247.0 %private end consumption12 Aug 2026date of application50 %empty space cap from 203011 Feb 2025Entry into forceRegulation (EU) 2025/4012 Aug 2026Date of applicationno transition periodfrom 2030Empty space cap 50 %grouped, transport, e-commerceSources: Regulation (EU) 2025/40 / European Commission / German Environment Agency / ZSVR
Law & compliance Jul 27, 2026

PPWR 2026: Packaging Data from ERP to Your Shop

From 12 August 2026 the EU Packaging Regulation applies directly. How packaging master data, volume logic and reporting emerge from ERP and shop data.

17 min read
Environment strategy for ERP interfacesSeparate environments, anonymised test data, defined releaseSeparate environments (BSI CON.8.A7)DevelopmentMocks, synthetic master dataDEVTest / sandboxAnonymised test data, 300/minTESTProductionLive data, document output onPRODContract testRelease + acceptanceTest data pipeline, not a production copyProduction dataAnonymisationTest data setOPS.1.1.6.A11: personal test data pseudonymised at minimumRate limits differ300/minSandbox 300/minProduction 600/min(Microsoft Learn)Contract test against mockConsumer test creates pactProvider verifies pactFull integration nightly onlyRelease and cutover criteria (OPS.1.1.6.A10)Acceptance plan metBackfill verifiedLoad profile heldRollback plan testedSources: BSI IT-Grundschutz CON.8/OPS.1.1.6, EUR-Lex (EU) 2016/679, Microsoft Learn, SAP Help Portal, Pact Foundation
Shop integration & processes Jul 24, 2026

Building Test Environments for ERP Interfaces Properly

Sandbox tenants, anonymised test data and contract tests: how to test ERP shop interfaces safely before go-live instead of flying blind into production.

13 min read
GoBD process documentation for ERP shop interfacesThe document path from order completion to posting, verifiable by a knowledgeable third partyDocument path per channelOrder completionShop and marketplaceMiddlewareMapping and queueInventory systemDocument and number rangeFinancial accountingPosting and accountThe process documentation must show how documents are captured, processed and retained (GoBD margin no. 66)Audit rate, large enterprises29.6%were auditedin 2024Four components (GoBD margin no. 153)1General descriptionChannels, document types, boundaries2User documentationApprovals, roles, cancellation steps3Technical system documentationField mapping, number ranges, logs4Operating documentationRestart, DLQ, raw data8 yearsAccounting documents (Sec. 147 AO, since 2025)10 yearsProcess documentation as an organisational recordThe retention period for the process documentation does not expire while the related records must be kept
Law & compliance Jul 22, 2026

GoBD Process Documentation for ERP Shop Interfaces

The GoBD require process documentation for every bookkeeping-relevant IT system. How to document the document path of your ERP shop interfaces properly.

19 min read
EU Data Act: Keeping ERP Data PortableSwitching duties since 09/2025, no switching charges from 01/202712 Sep 2025Switching duties in forceexisting and new contracts (Bundesnetzagentur)12 Sep 2026Access by designnew connected products (Art. 3(1))12 Jan 2027Switching charges endincl. egress fees (Art. 29)Cloud ERPmaster data, documentsShop systemorders, customersMiddlewaremapping, historyExport APIdocumented and openfull export + deltaopen data formatsmapping and historyTarget environmentfunctional equivalence30 calendar daystransition period (Art. 25)+ 30 days retrievalAcceptance evidencefull export testeddelta export testedmapping tables exportedexit clause in contractBaseline in German companies86%Cloud adoptionBitkom Cloud Report 20261 %Data Act fully implemented(Bitkom, spring 2025)30calendar days transition period(Art. 25 Data Act)0 Euroswitching charge from 2027(Art. 29 Data Act)
Law & compliance Jul 20, 2026

EU Data Act 2026: Keeping ERP and Cloud Data Portable

The Data Act's switching duties have applied to existing contracts since September 2025. What export APIs, open formats and the 30-day window mean.

13 min read
Automating Drop Shipping: Connecting Suppliers to the ShopStock and price feeds per supplier via a middleware into shop and ERPSupplier A · EDIEDIFACT: PRICAT, INVRPTSupplier B · CSV / SFTPStock + price, nightlySupplier C · REST APIAvailability in real timeMiddleware · OrchestrationNormalize format mappingMirror availability + lead timeSplit order by supplierStock and drop-ship goods in one processShop · Availability per supplierDrop-ship · 2–4 daysin stockStock item · from warehouseon handERP · leading systemArticle · price · order (drop-ship)Goods receipt + tracking returnedSplit the incoming order by supplier and place itOrder#104823 line items2 suppliersOrder → Supplier A · 2 line itemsOrder → Supplier B · 1 line itemReturnTracking + GR messageper supplier back to shop + ERPEUR 509bnB2B online trade 2024(IFH Cologne)56 %marketplace share e-commerce 2025(bevh)EUR 92.4bnonline retail forecast 2025(HDE)
Shop integration & processes Jul 17, 2026

Automating Drop Shipping: Connecting Suppliers

Automate drop shipping cleanly: read supplier feeds via EDI, CSV/SFTP or REST API, mirror availability and split orders by supplier -- with the ERP leading.

13 min read
RMA Process: Managing Returns Between Shop and ERPFrom the return request through inspection to credit note and stock correctionEnd-to-end RMA process1Return request in the accountlinked to the original orderOrder link2RMA number and check statusfrom the ERP systemRMA no.3Goods receipt and inspectionsorting and classificationInspect4Restocking or write-offA-grade, B-grade or scrapA-grade5Credit note and stock updateposted in SAP, DATEV, DynamicsCreditAverage return rate Germany17.4 %return rate(EHI Retail Institute)550mreturn parcels 2025(Uni Bamberg)EUR 5-10handling per item(EHI Retail Institute)EUR 92.3bnonline retail 2025(HDE Germany)
Shop integration & processes Jul 15, 2026

RMA Process: Managing Returns Between Shop and ERP

Manage return requests, RMA numbers, inspection, restocking and credit notes bidirectionally between shop and ERP -- without double entry of returns.

13 min read
Tax Determination in B2B Shops: Reverse Charge from the ERPTax rate, VAT-ID check and reverse charge live in the checkoutVAT-ID CheckVAT IDFR40303265045Ship-toFranceLookupVIES / BZStVAT ID validTax Determination (Middleware)Transaction context + tax master dataReverse charge · Sec. 13b VATA0 %Net invoice with reverse-charge noteERP Tax Master DataTax codeA1 (EU-RC)ClassificationB2B / EUTax groupStandardSource system: SAPTax determination per business transactionDomestic B2B supplyStandard domestic rate19 %EU B2B · valid VAT IDReverse charge, Sec. 13b0 %Distance sale B2Cabove EUR 10,000 · OSSby countryEUR 10,000EU-wide distance thresholddistance sales Sec. 3cEUR 128bnEU VAT gap 2023(European Commission)170,000businesses using the OSS(European Commission)
Law & compliance Jul 13, 2026

Tax Determination in B2B Shops: Reverse Charge

Mirror VAT, reverse charge under Section 13b and VAT-ID checks via VIES and BZSt from SAP, DATEV or Dynamics live into the B2B checkout.

13 min read
Credit-Limit Checks in B2B Checkout: Live ERP DataReal-time credit check before order confirmationB2B CheckoutCustomerDebtor 10042Cart12 line itemsOrder value9,200 EURPaymentOn accountCheck creditERP Credit DataCredit limit50,000 EUROpen items28,500 EURPayment terms30 daysAvailable21,500 EURCredit Decision75%Limit utilizationApprovedPossible release decisions in the checkoutOrder value within limitPurchase on account approvedLimit getting tightDeposit or partial approvalLimit exceededPrepayment instead of invoice23,900company insolvencies 2025ten-year high (Creditreform)+15.8%more insolvenciesMarch 2026 (Destatis)32.13 daysaverage paymentterms (Creditreform)
Shop integration & processes Jul 10, 2026

Credit-Limit Checks in B2B Checkout: Live ERP Data

Check credit limit, open items and payment terms in real time from SAP, Dynamics or DATEV in the B2B checkout to control invoice purchase and order release.

13 min read
NIS2: Hardening ERP-to-Shop InterfacesMaking the API between shop and ERP compliant with NIS2Online ShopOrder and customer dataSecurity GatewayOAuth 2.0 + OpenID ConnectmTLS - end-to-end TLSERP / SAPInventory systemThe five hardening steps at a glance1InventoryMap everyinterface2EncryptionTLS 1.3, endto end3AuthenticationOAuth 2.0,mTLS, OIDC4MonitoringLogs and 24hreport to BSI5Supply chainProviderevidence29,500companies underBSI oversight (BSI)10m Euromax. fine, alternatively2% of global turnover24 / 72 hinitial and detailedreport to BSI289.2bn euro in annual damage to the German economy from cyberattacks and data theft (Bitkom).Audit, hardening, documentation and NIS2-compliant API development from one partner.
IT & API security Jul 8, 2026

NIS2 and API Security: Hardening ERP Interfaces

NIS2 has applied since December 2025: inventory ERP-to-shop interfaces, encrypt them end-to-end via TLS and secure them with OAuth 2.0, OpenID Connect and mTLS.

13 min read