If your spouse does not work, or has very little or no income, it could be to your advantage to file a joint return. If your spouse does not have a taxpayer identification number, one must be obtained.
Kama mke wako hana kazi, au ana kidogo sana au hakuna mapato, inaweza kuwa faida yako na faili pamoja kurudi. Kama mke wako hana kitambulisho skattebetalarna idadi, mmoja lazima kipatikane.