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As tax season approaches, Canadian small business owners might be feeling the deadline pressures. Failing to double check-claims and a lack of preparation during the year can lead to mistakes, which can lead to higher tax fees. However, tax season stress can, and should, be managed. Allowing your anxiety to get the better of you can lead to mistakes when filing your taxes and can potentially cost your business money.

Here are five things you should closely scrutinize, and if possible, avoid during this tax season:

Combining your personal and business accounts Using personal finances to invest in company growth is something business owners may consider. Though it may seem like a good idea when first starting out, at some point, the individual, the company, or both will suffer.

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Have separate bank accounts for your personal and business use to help you visualize what's what when you're ready to file your taxes. Make sure this mentality crosses over to credit cards as well – reviewing monthly statements is far easier when the separation has already been done.

Shoebox The shoebox method is long-favoured by small business owners for collecting and storing bills, but it isn't the best solution. While everything might be in one place, it won't feel so organized when you are sifting through a year's worth of receipts. Ditch the shoebox and create a streamlined filing system that is logical for your business. A few minutes spent organizing throughout the year can save you stress and increase efficiencies at tax time.

Whether or not you work from home, dedicate an area to keeping your finances in check. The benefits of doing your accounting from a home office can mean you may take certain deductions, including maintenance costs like heating and utilities and property taxes. If you are uncertain, consult with a tax professional.

Not doing your homework You can't deduct what you don't know. As an entrepreneur, you're likely busy running your business and don't have the time to educate yourself on the latest tax code changes. However, the best way to reduce your payments is to maximize the deductions you are entitled to, and keep accurate records for proof. Small deductions for items such as travel, gas, meals, entertainment or office supplies incurred for business purposes can add up quickly.

Those deductions can change from year to year so it's important to seek expert advice. That's why partnering with an accountant who will keep on top of the changes can help save money.

Check it twice and file once Measure twice, cut once. The same adage rings true for your taxes: Double-check and file once. Double-checking might seem like a no-brainer but it's often overlooked, and little mistakes can cost you. Errors commonly found on taxes include incorrect postal codes, missing signatures, and incorrect social insurance numbers. If you have filed and realized that you've made an error, don't fret, you have options.

Pierre Normandeau from Talbot & Associates and member of the Sage Accountants Network explains that while your course of action depends on the extent of the error, you can send an amended tax return along with a letter to the CRA or fill out a voluntary disclosure, which is designed to encourage taxpayers to correct mistakes and avoid penalties. However, taking the time to double-check could save you time and money in the long run.

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Inefficiency Running a business can take up a lot of time and it is important to avoid over-extending yourself. A business owner who is using spreadsheets to keep track of financials – or worse, reaching for the company ledger – might be creating some serious inefficiencies. On top of the hours dedicated to manual accounting tasks, you're limiting your ability to draw insights from your finances. For this reason, take advantage of the technology that is out there to help you.

Professional accounting software is your one-stop shop to keep track of all the necessary information, retaining any records the Canada Revenue Agency might need and identifying insights on sales performance, demographic insights and purchase trends.

Planning ahead, keeping organized records and seeking expert advice will help alleviate tax pains and help you focus on what matters most: servicing your customers and growing your business.

Nancy Harris is executive vice-president and managing director of accounting software company Sage. She's passionate about championing the causes of small and medium-sized businesses.

The Globe and Mail Small Business Summit brings together the brightest entrepreneurs in Canadian business to share insights for an inspiring day of keynote talks, workshops and networking. Speakers include Ryan Holmes of Hootsuite, Aaron Zifkin of Airbnb, Harley Finkelstein of Shopify, Bruce Poon Tip of G Adventures and many more. The event takes place on April 26 in Vancouver, April 28 in Calgary and May 3 in Toronto. Click here for details.

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