" ▁design ating ▁z oning ▁areas , ▁in ▁which ▁forms ▁of ▁land ▁use , ▁e . g . ▁disturb ance ▁of ▁the ▁soil , ▁and ▁exc av ations ▁are ▁restricted ▁and ▁super vised ▁by ▁the ▁relevant ▁authorities ; ▁and ▁Im plement ▁a ▁" m and atory ▁reporting ▁to ▁the ▁compet ent ▁authorities " ▁for ▁a ▁find er ▁of ▁a ▁" ch ance ▁discovery ▁of ▁elements ▁of ▁the ▁arch ae ological ▁her itage ". ▁ ▁Article ▁ 3 ▁ ▁Whether ▁on ▁public ▁or ▁private ▁land , ▁each ▁Party ▁agre es ▁to ▁establish ▁a ▁certain ▁code ▁of ▁conduct ▁of ▁arch ae ological ▁work ▁and ▁pres ervation ▁methods . ▁Article ▁ 3 , ▁paragraph ▁i ▁states ▁that ▁each ▁Party ▁needs ▁to ▁implement ▁a ▁controlled ▁procedure ▁of ▁arch ae ological ▁activities ▁prevent ing ▁“ any ▁ill ic it ▁exc av ation ▁or ▁removal ▁of ▁elements ▁of ▁the ▁arch ae ological ▁her itage ” ▁and ▁ass uring ▁that ▁arch ae ological ▁resource ▁management ▁is ▁applied ▁in ▁a ▁scientific ▁way . ▁That ▁principle ▁includes ▁that ▁every ▁investigation ▁shall ▁be ▁as ▁minimal ▁as ▁possible ▁in ▁its ▁impact ▁and ▁un cover ed ▁find ings ▁are ▁proper ▁conser ved ▁during ▁or ▁after ▁exc av ation . ▁Ex c av ations ▁must ▁be ▁under ▁the ▁control ▁of ▁qualified , ▁spe cially ▁author ised ▁persons ▁( see ▁Art . ▁ 3 , ▁para ▁ii ). ▁In ▁addition , ▁" the ▁use ▁of ▁metal ▁detect ors ▁and ▁any ▁other ▁detection ▁equipment ▁must ▁be ▁subject ▁to ▁specific ▁prior ▁authorization " ▁( see ▁Art . ▁ 3