Depending on your country.In Australia it isn t illegal for them to ask you the question, though if they don t hire you because of your answer or leaving the question blank, that is illegal.
In the U.S. you are legally required to cough up that info. Your employer is supposed to set Federal witholding rates based on your total pay which includes tips, so he needs that info to be legal, hence has the legal right to require you to provide that information to him.Capisce?Don t blame your boss, it s the IRS tightening the screws on him.
No, because tips are extra income. If you made tips but didn t report it, the IRS could do a lifestyle audit and see you make extra money. Then you could be found to be evading taxes.
It is part of their business to ask.