Penetapan pengadilan atas perjanjian perkawinan yang tidak didaftarkan di Kantor Urusan Agama setelah perkawinan berlangsung analisis penetapan Pengadilan Agama Jakarta Timur nomor 107/PDT.P/2017/PAJT = Court decision against unregistered prenuptial agreements by the marriage registrar made after marriage case study : the sentence of East Jakarta Religious Court number 107/PDT.P/2017/PAJT