Tax season officially started this week with Monday being the first day when taxpayers can begin filing tax refund documents with the Internal Revenue Service (IRS). What makes this season special is the launch of a new program by the IRS that could mean the beginning of the end for a substantial portion of business from tax preparation companies. While tax documents can already be filed, most users can expect to receive documents from employers, mortgage companies and others during the coming weeks. These need to be submitted before the April 15 deadline, which is adopted by most states. Tax …