4 min read
Three-Way Match: what it is and how to prevent improper payments in accounts payable
Learn what Three-Way Match is, how purchase orders, invoices, and receiving documents are compared, and how to prevent improper payments in accounts payable.
Abstra Team
03/07/2026
9 min read
How to cancel an invoice: what if 7 days have passed? [Rules]
Learn the step-by-step process for canceling issued invoices, check deadlines for NF-e, NFS-e, NFC-e, and CT-e, and understand the available alternatives!
Abstra Team
23/09/2025
6 min read
Nature of Operation: How to Fill Out Your Invoice
Learn what the nature of the operation is on the invoice, how to fill it out correctly, and see practical examples to avoid errors and ensure compliance.
Abstra Team
16/09/2025
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