The contracting authorities listed in Annex I to Directive 80/767 / EEC shall make known , as from 1 January 1989 , as soon as possible after the beginning of their budgetary year , by means of an indicative notice , the total procurement by product area of which the estimated value , taking into account the provisions of Article 5 of this Directive , is equal or greater than 750 000 ECU and which they envisage awarding during the coming 12 months .