A founder pays for a family dinner on the company card, or moves money from the business account to cover a personal expense, and thinks nothing of it — it's all their money anyway. This is one of the most common habits we see in small and growing businesses, and it's also one of the most expensive ones once tax filing or an audit actually happens.
Why this isn't just an accounting technicality
Every expense claimed as a business deduction needs to genuinely be a business expense — that's not a formality, it's a requirement under the Income Tax Act. A personal expense run through the business books, even a small one, undermines the legitimacy of every other deduction on that return if it's ever questioned. It also distorts your actual business profitability, which matters the moment you need real numbers for a loan application or an investor.
Where this becomes a genuine audit problem
During a statutory or tax audit, unexplained withdrawals or personal-looking expenses in the business books force the auditor to investigate and document them — which slows down the audit and can trigger deeper scrutiny of other transactions that would otherwise have gone unquestioned. What started as convenience becomes the reason your audit takes three weeks instead of one.
The fix is a habit, not a system overhaul
Draw a genuine salary or owner's drawing from the business at a set interval, and pay personal expenses from that — never directly from the business account. This one habit change eliminates most of the mixing problem without requiring any new software or process.
If your books have accumulated a mix of personal and business transactions and you're not sure how to untangle them before your next filing, C S Rushil & Co. can help sort this out properly. Book a free consultation.