Giving the authority of law income tax to thegovernment for decided kind of service as income tax object article23, evoke extend income tax object article23, that is not only as a passive income but also as a business income.There is two analytical questions in this research, the first is how to implications of extend income tax object article 23 for the government, with holder and income tax receiver. The second, what the suitable of taxobject that can change to be a saw with holding income tax article 23 base on with holding income tax conception and international best practice.This research used qualitative approach with a descriptive researc htype to describe an objective with facts that revealed. The collecting data technique itself is done by a literature study from various sources like an article, book, internet and in¬depth interview with some informants whoa rerelated with this research.The result of this research shown that development income tax object article 23 has an implication to the government such as increase tax acceptance, decrease cost collection, and have opportunity cost. For with holder have burden. Moreover, for implication to income tax receiver is the cash flow tax receiver can be decrease, time of money lose, and increase compliance cost. Base donw it hholding income tax conception and international best practice, the suitable object as income tax object article 23 is inpassive income.This research recommended, the administration tax system in thegovernment need tobe fix, giving reward to with holder, apply proper income tariff that cannot disturbed the cashflow, clarify the object of income taxarticle 23 with giving definition and sample from theobject, streamline income tax article 25.