where the requesting competent authority so specifies, indicate within ten working days from the date of receipt of the request, the estimated time necessary to provide an informed response to the request; and
i gcás ina sonróidh an t-údarás inniúil iarrthach amhlaidh laistigh de dheich lá ón iarraidh a fháil, cuirfidh siad in iúl an méid ama a mheastar a bheidh ag teastáil chun freagra feasach a thabhairt ar an iarraidh; agus