A control order is to specify each of the following:(a) the biosecurity matter, biosecurity risk or biosecurity impact to which the control order relates;(b) the control zone or zones;(c) the control measures;(d) the persons or class of persons to whom the control measures apply;(e) the duration of the control order;(f) if the principal object of the control order is the object specified in section 177(4)(c) , the reasons why the Minister determined that it was not reasonably practicable to meet an object specified in section 177(4)(a) and (b) .