e-Invoicing Compliance News Blog

Gustav Gnosspelius

Director Global Compliance

Gustav Gnosspelius is a seasoned e-invoicing expert, boasting over a decade of experience in the field. With a deep understanding of best practices, Gustav excels in helping businesses optimize their e-invoicing processes and invoicing compliance. Gustav leverages his expertise to provide invaluable insights and advice, consistently aiding numerous clients in streamlining their operations. His dedication to enhancing customer experiences and driving efficiency underscores his significance within Basware and its clientele.

14articles19expertise areasWriting since2024

Writes about

e-Invoicing mandatesCountry updatePeppolGlobal invoice automationInvoice VAT & Tax regulationsSending e-Invoices

Country update

What Are the E-Invoicing Changes Happening in 2027

E-invoicing changes in 2027 span Germany, Norway, Spain, the UAE, and more. See what each mandate means for suppliers and buyers, and how to prepare now.

e-Invoicing Mandates

Why the UAE E-Invoicing Mandate Is More Urgent Than You Think

The UAE e-invoicing mandate is coming faster than you think. Learn what's changing, who's affected, key deadlines, and how to prepare for compliance.

e-Invoicing mandates

E-Invoicing Is Coming to Slovakia. Here's What to Know.

Slovakia’s 2027 e-invoicing mandate will require structured electronic invoices for domestic B2B and B2G transactions. Learn what’s changing and how to prepare.

Compliance

Singapore E-Invoicing: Turning Regulatory Complexity into Compliance Clarity

Understand Singapore’s InvoiceNow GST e-invoicing mandate with clear, practical guidance on reporting, formats, exceptions, and compliance readiness today.

Compliance

Not an If or a When: Why Modernizing and Centralizing Your Tax and Invoice Process Is Essential

Discover why modernizing and centralizing tax and invoice compliance is now essential, and how leading organizations are improving control, visibility, and resilience.

Compliance

The UK’s 2029 E-Invoicing Mandate: A Strategic Shift for Finance Leaders

Prepare for the UK’s 2029 e-invoicing mandate and the global move to digital tax controls, and learn how finance leaders can modernize operations and strengthen compliance.

E-Invoicing

Benelux B2B E-Invoicing: One Foundation, Three Paths

Benelux is advancing B2B e-invoicing with Peppol. See how Belgium, the Netherlands, and Luxembourg are progressing and what the changes mean for businesses.

Compliance

The UAE e-Invoicing Mandate 2025: Key Updates for Tax, AP, and AR Professionals

Learn what tax, AP, and AR professionals need to know about the UAE’s 2025 e-invoicing mandate, updated timelines, and key compliance requirements.

Compliance

The Polish E-Invoicing Mandate: What You Need to Know and How to Prepare

From 2026, Poland’s KSeF e-invoicing mandate becomes mandatory for B2B transactions. Learn the key dates, supplier and buyer checklists, and how Basware can help you stay compliant.

Invoice VAT & Tax regulations

Thinking Outside the Box: Is E-Invoicing the Only Alternative to Tackling the VAT Gap?

Explore creative alternatives to e-invoicing mandates for closing the VAT gap—from receipt lotteries to split payments and behavioral nudges.

Gustav Gnosspelius

What Are the E-Invoicing Changes Happening in 2027

Why the UAE E-Invoicing Mandate Is More Urgent Than You Think

E-Invoicing Is Coming to Slovakia. Here's What to Know.

Singapore E-Invoicing: Turning Regulatory Complexity into Compliance Clarity

Not an If or a When: Why Modernizing and Centralizing Your Tax and Invoice Process Is Essential

The UK’s 2029 E-Invoicing Mandate: A Strategic Shift for Finance Leaders

Benelux B2B E-Invoicing: One Foundation, Three Paths

The UAE e-Invoicing Mandate 2025: Key Updates for Tax, AP, and AR Professionals

The Polish E-Invoicing Mandate: What You Need to Know and How to Prepare

Thinking Outside the Box: Is E-Invoicing the Only Alternative to Tackling the VAT Gap?

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