Hi all, how to proof that the intending immigrant (me) has the sources of income from the same source/employment after green card is acquired? I am here on H1b, and the nature of the employment is volunatary and at will. Either the company or me can terminate the realtionship at any time for any reason. Therefore, I cannot ask the HR to write me a letter that they promise/are going to continue hiring me in the future... can someone gives me some insights?