Yes...very much so.
yes
Yes, it is illegal to file someone else's taxes without their permission. This is considered tax fraud and can result in serious legal consequences.
no...you have to go to the state you worked and file taxes and you cant file taxes in two states its illegal
YES
Yes, legally, the government requires an illegal worker to pay taxes. However, they also make it impossible to do so by requiring that you have a social security number in order to file taxes.
If you are 21 you have to file taxes
have no money how can i file my taxes
Yes you can file taxes if you are on welfare.
No, you cannot file your taxes at the DMV.
No, you do not have to file taxes jointly with your spouse. You have the option to file taxes separately if you choose to do so.
can i file creditcards interest on my taxes
It is not illegal to file as single if you are married, but it is considered tax fraud. When you are married, you are generally required to file your taxes as either married filing jointly or married filing separately. Filing as single when married could result in penalties if discovered by the IRS.