This regency was officially established since stipulated the Law of the Republic of Indonesia Number 38 of 2007, precisely on August 10, 2007, at the same time as the formation of North Padang Lawas Regency, following the Draft of Law which was approved on July 17, 2007.
Kabupaten iko resmi batagak sajak diundangkannyo Undang-Undang Republik Indonesia Nomor: 38 Tahun 2007, tapeknyo pado tanggal 10 Agustus 2007, basamoan jo dibantuaknyo Kabupaten Padang Lawas Utara, manyusua RUU nan disatujui pado 17 Juli 2007.