What are Source Documents & Why are they Important? BAS Agent's Blog, Bookkeeping, For BAS Agents / By Louise McLoughlin / 13 January 2013 4 June 2021 / ATO, Audit, Paper Trail, Record-Keeping, Source Documents / 2 minutes of reading Bookkeepers and accountants who are processing your accounts may ask you to present “source documents” to verify the information in your accounting file. What are source documents and why are they important? … What are Source Documents & Why are they Important?Read More » Like it? Share it!