The YouInv blog

Expert advice, practical guides and news on e-invoicing, Peppol and the digitalisation of Belgian and European businesses.

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Desk with accounting documents and a laptop

E-invoicing4 min read

E-invoicing in Belgium: what's changing for businesses

A practical guide to e-invoicing for Belgian businesses: the Peppol BIS format, compliance steps, and the mistakes to avoid when making the switch.

10 February 2026Read article

All articles

Business owner at a laptop, illustrating how to send an e-invoice over the Peppol network

Product & updates7 min read

Send an invoice via Peppol: a step-by-step guide

Sending an invoice via Peppol in practice: the prerequisites, what happens on the network, delivery confirmation and how YouInv handles it end to end.

7 July 2026Read article

Person organising a billing calendar on a laptop, illustrating recurring billing of subscriptions

Business management8 min read

Recurring billing: automating your subscriptions

Recurring billing: automate your subscriptions, stay compliant with the Belgian Peppol B2B mandate and collect payment automatically via SEPA direct debit.

6 July 2026Read article

Small business owner reviewing cash flow and receipts on a laptop at a desk

Business management8 min read

SME cash flow management: tracking and forecasting

SME cash flow management: how to track receipts, build a reliable forecast, steer working capital and payment terms without nasty surprises.

3 July 2026Read article

Small business owner reviewing overdue invoices at a desk to reduce late payments

Business management8 min read

How to reduce late payments: reminders and best practices

Reduce late payments in Belgium: legal payment terms, an effective reminder plan and automation to protect your SME's cash flow.

2 July 2026Read article

Business person neatly organising accounting receipts and documents on a desk

Accounting8 min read

Archiving electronic invoices in Belgium

Archiving electronic invoices: which format to keep, the seven-year legal retention period and the conditions that give your invoices evidential value.

1 July 2026Read article

Accountant reviewing an invoice and a payment schedule on a laptop in a Belgian office

Accounting7 min read

B2B payment terms in Belgium: what the law says

B2B payment terms in Belgium: what the law of 2 August 2002 requires, the 60-day cap, the 30-day default term and what a late payment costs the debtor.

30 June 2026Read article

Accountant matching bank payments to invoices on a laptop

Accounting8 min read

Bank reconciliation: automating payment matching

Automated bank reconciliation: how structured communication and the CODA file match your payments to your invoices without manual data entry.

29 June 2026Read article

Person sorting through folders of archived invoices on office shelving

Compliance & regulation7 min read

How long to keep invoices in Belgium

How long to keep invoices in Belgium: the ten-year legal retention period, when it starts, the special longer cases, and the rules for archiving e-invoices.

23 June 2026Read article

Person checking the details of an invoice at a desk with a calculator and documents

Compliance & regulation9 min read

Mandatory invoice details in Belgium

Mandatory invoice details in Belgium: the full list, the VAT number rule, the legal basis in the VAT Code and what changes with Peppol e-invoicing.

19 June 2026Read article

European Union flag in front of an institutional building, illustrating the ViDA VAT in the Digital Age reform

Compliance & regulation8 min read

ViDA: VAT in the Digital Age in Europe

ViDA, the EU's VAT in the Digital Age reform: its three pillars, the timeline through 2035 and what it changes for Belgian businesses.

18 June 2026Read article

European institutional building, illustrating Directive 2014/55/EU on e-invoicing in public procurement

Compliance & regulation8 min read

Directive 2014/55/EU: e-invoicing in public procurement

Directive 2014/55/EU explained: what it requires for e-invoicing in public procurement, how it relates to EN 16931 and Peppol, and who it affects.

17 June 2026Read article

Network cables connected to a switch, illustrating the Peppol four-corner model that links two businesses through their access points

Peppol8 min read

The Peppol four-corner model explained simply

The Peppol four-corner model decoded: the role of each corner, how an invoice finds its recipient and what this design changes for you.

16 June 2026Read article

Computer screen showing structured code, illustrating the Peppol BIS Billing 3.0 format of an e-invoice

Peppol8 min read

Peppol BIS Billing 3.0: what the format contains

Peppol BIS Billing 3.0 decoded: what this invoice profile really requires, how it relates to EN 16931 and UBL 2.1, and what it changes for your invoices.

15 June 2026Read article