Yemen's 2010 mining code contains modern concepts of reconnaissance, exploration and mining, as well as quarrying, rights; it is careful to preclude multiple use of land for competing purposes and is quite straightforward in its drafting; weaknesses in the legislation concern several potential "traps" where performance obligations may lead to the loss of a licence (e.g., the obligation to commence mining within two years of certain conditions and to maintain commercial operations) and language needlessly discretion on the part of the Board that overseas the granting of licences.