With stocks, capital gains, dividends, write-offs, company you need to handle these manually and the government doesn't know your write-offs and all sources of income.
If nothing else, the IRS could say "here's the info we have, feel free to review and add anything we don't know about".
With stocks, capital gains, dividends, write-offs, company you need to handle these manually and the government doesn't know your write-offs and all sources of income.