E-commerce has become the gold standard business model in recent years. Whether you're selling merchandise or providing a service, doing it online increases your customer base while reducing costs. However, you shouldn't forget about proper tax management. Many e-commerce businesses fail to understand their tax obligations, thereby forgetting to file proper returns. Others don't report the correct figures, which exposes them to fines from the ATO. Here's what you need to know about fulfilling all tax obligations as you set up your online business.