 <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. <yor> Apakan pataki fun idahun ibeere yii ni: Pupọ ninu awọn ayipada ti a ṣe nipasẹ iwe-owo naa ti wọle ni Oṣu Kini 1, 2018 ati pe kii yoo ni ipa lori awọn owo-ori 2017. Nítorí náà, January 1, 2018 ni ìdáhùn tó ṣe pàtó. 