Resources to understand B2B late payment
Free guides, calculators and tools designed to help legal and finance teams navigate Spain's payment regulation.
Late payment calculator
Automatically calculates statutory default interest and fixed collection-cost compensation under Law 3/2004.
Coming soonCrea y Crece guide (2026)
Everything you need to know about Law 18/2022 and the new e-invoicing and payment-term requirements.
Read the guide arrow_forwardVerifactu guide
Technical-legal analysis of the new invoicing-system and data-traceability regulation.
Compliance self-check
A self-assessment to measure the risk of missed payment terms across your supply chain.
Cláusula blog
Weekly opinion and analysis on commercial law, legal tech and financial contract management.
Legal glossary
Terminology dictionary covering the key legal terms for B2B contract drafting.
Why do we publish this for free?
We believe transparency is the first step in fighting structural late payment. By providing tools that simplify compliance with Law 3/2004, we help companies operate in a fairer, more predictable environment.
Our goal is to reduce friction between legal and finance departments so SMEs and large corporates can focus on growth without the drag of unjustified payment delays.
"You don't have to wait until you have a thousand clients to start managing contracts well. Legal clarity from day one is what separates companies that scale from those that don't."
Want to automate all of this inside your contracts?
Stop calculating interest by hand. Cláusula plugs payment-term compliance and e-invoicing straight into your contract workflow.