Regulations for Conservation Forest Managements Article 11

The object bamboos of selection cutting shall be those which are three years of age or older. The total amount of bamboos subject to selection cutting each year shall not exceed one fourth of the total amount of bamboos in that selection cutting area.Where the selection cutting provided in the preceding paragraph is difficult to perform, partial clear cutting may be performed instead with the prior approval of the competent authority. The total area of such partial clear cutting each year shall not exceed three hectares or one fourth of the cutting area.
中文原文 保安林經營準則第11條
保安林內竹類擇伐,應以超過三年生之老竹為限。
其一年內得擇伐支數,不得超過擇伐區域內竹類總支數之四分之一。
前項擇伐如確有困難,報經主管機關同意得施行局部皆伐。
其一年內之皆伐面積不得超過三公頃或採伐區域面積之四分之一。

English translation for reference only; the Chinese text prevails. Not legal advice.