Pertanggungjawaban notaris terhadap akta cacat hukum yang dibuat berdasarkan kuasa lisan yang tidak memenuhi syarat sahnya perjanjian (studi putusan Mahkamah Agung nomor 1117/K/PDT/2017) = The accountability of notary against deed of legal defects made based on oral proxy that lacks of legitimate agreements requirements (the review of decision of the supreme court number 1117/K/PDT/2017)