Colombia companies must issue a "Vendir Equivalent document" for certain vendors that meets requirements and it is not mandatory to issue an invoice.

https://www.dian.gov.co/impuestos/Paginas/Sistema-de-Factura-Electronica/Documento-Soporte-Adquisiciones-No-Obligados.aspx

The suggestion is MS to develop the criteria when a vendor is setup, also controls the total amount per transaction per vendor and also develop the report to be rpintes from PO invoice, Vendor Invoice Journal and General Ledger Journal.