Yes, converting supplier invoices into other formats is generally legally compliant as long as the integrity and authenticity of the invoice data are maintained throughout the process.

Regulations such as the EU’s e-invoicing directive require that key information, such as tax details and amounts, remains unaltered during conversion. Additionally, local tax authorities may have specific requirements regarding the retention of the original invoice format for audit purposes. When converting invoices to different formats, it’s important to ensure compliance with relevant regulations, including VAT rules.