SisteAcuse is Colombian cloud software that automates the RADIAN events that Colombia's tax authority (DIAN) requires on electronic invoices: acknowledgment of receipt (030), receipt of goods or services (032) and express acceptance (033), in bulk and without repetitive manual work. What SisteAcuse does: • Bulk download of electronic invoices from DIAN and automatic processing of their XML. • Digitally signed RADIAN events, validated by DIAN. • Accounting entries with Siigo integration. • Issuance of electronic invoices, credit notes and debit notes. • Multi-user access for companies and accountants. Security by design: XAdES digital signatures, certificate-based authentication, encryption of each company's secrets and continuous monitoring. Built for companies, accountants and accounting firms in Colombia that want to comply with DIAN without losing days to manual processes.