 
 <translate> The important part for answering this question is: Most of the changes introduced by the bill went into effect on January 1, 2018 and will not affect 2017 taxes. Therefore, the final answer is January 1 , 2018. <hau> Muhimmin bangare don amsa wannan tambayar shine: Yawancin canje-canjen da aka gabatar da lissafin sun fara aiki a ranar 1 ga Janairu, 2018 kuma ba za su shafi harajin 2017 ba. Saboda haka, amsar karshe ita ce Janairu 1, 2018. 