When your California license is with held it means that it is suspended. The license can be suspended for a variety of reasons such as failure to pay insurance.
It means the car is taxed.
No
Everyone is allowed to file tax. Whether you are required to file tax depends on the source and amount of your total income (not just earnings from your job) and your filing status. The fact that you had no income tax withheld does not necessarily mean you do not have to file tax.
It depends on what you mean, but generally speaking, a felon can't get a gun license.
yes
You relocated your business. Or change of business name. Or partnership etc. Any changes to your license and status of doing business must be reported to the proper adminstrative offices etc.
The letter E on white California license plate signifies that the vehicle is exempt. It means that the vehicle does not have to pay taxes.
What does adjudication withheld mean
WH=WithHeld
It is your Federal withheld.
Yes, all states are required by the constitution to honor the laws of another state. Hence the large uproar over gay marriages recently performed in CA. Another example is the trouble Ca. had over their taxing cars coming from other states without the Ca emissions package, the state eventually had to refund the fees collected
Yes, #1, you must file no matter what was withheld. #2 you just fill a zero on your fed withheld slot, or if the slot is blank that is a zero as well.