I have a one man Corp since 2003 and opened a 401k solo plan with fidelity. I am finding value of this portfolio crossed threshold of 250k. So I plan filing 5500EZ by March 15 i.e when I file company taxes.
How far back can IRS audit this? How will they know who much actually I deposited each year etc considering stock market changes and I lost money few years. It should have been 250K in 13 years considering my deposit have been 20k each year. Is it normal for solo accounts? This form is audited by DOL or IRS?