Mining Act Article 14
The duration of an exploration right may not exceed four years. An extension is eligible for within one year to six months prior to the expiration of the right. The extension period may not exceed two years and may only eligible one time.If the exploration right holder applies for extension of exploration right in accordance with the preceding Paragraph, the exploration right shall be deemed to be in effect during the period between the expiry date of the exploration right and the competent authority approval or dismiss date of the said application.
中文原文 礦業法第14條
探礦權以四年為限，期滿前一年至六個月間，得申請展限一次；展限不得超過二年。
探礦權者經依前項規定為展限之申請時，在探礦權期滿至主管機關就展限申請案為准駁之期間內，其探礦權視為存續。
探礦權者經依前項規定為展限之申請時，在探礦權期滿至主管機關就展限申請案為准駁之期間內，其探礦權視為存續。