[ABSTRAK
Pesatnya pertumbuhan dan perkembangan ekonomi mendorong pemerintah untuk melakukan upaya peningkatan pendapatan nasional di bidang pembangunan. Salah satunya memanfaatk:an tanah ulayat yang pada dasarnya merupakan kepunyaan masyarakat hukum adat. Menurut hukum adat Minangkabau, tanah ulayat memiliki sifat kolektif, dimana peruntukkaffi.?ya ditujukan bagi kesejahteraan komunitas pemilik tanah ulayat. Pemanfaatan tanah ulayat dapat dilakukan oleh pemilik tanah ulayat, pemerintah maupun pihak investor/pengusaha. Bagi pihak investor yang melakukan pemanfaatan tanah ulayat di "Ranah Minang" ini, harus melewati prosedur sesuai dengan hukum adat Minangkabau. Yaitu meminta kesepakatan seluruh anggota pemilik tanah ulayat dengan menuangkannya dalam suatu perjanjian pemanfaatan.

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ABSTRACT
The rapidly of economic development is the reason for government to have increase the national income. One of the act is using ulayat land that basically prescriptive law society as the owner. According to the Minangkabau prescriptive law society, ulayat land has collectiveness at ownership, that is priority to fullfil needed of community ulayat land owner. The owner of ulayat land, government and investor can do utilizing the ulayat land. For investor who utilize ulayat land in "Ranah Minang", have to performed by all procedures according to Minangkabau prescriptive law. That is ask all of community who authorized the ulayat land with a pattern of utilization agreement., The rapidly of economic development is the reason for government to have increase the national income. One of the act is using ulayat land that basically prescriptive law society as the owner. According to the Minangkabau prescriptive law society, ulayat land has collectiveness at ownership, that is priority to fullfil needed of community ulayat land owner. The owner of ulayat land, government and investor can do utilizing the ulayat land. For investor who utilize ulayat land in "Ranah Minang", have to performed by all procedures according to Minangkabau prescriptive law. That is ask all of community who authorized the ulayat land with a pattern of utilization agreement.]