criteria that address the assessment periods where the submitted data fall below the methodology's recommended transaction data threshold or the requisite administrator's quality standards, including any alternative methods of assessment including theoretical estimation models.
critéir lena dtugtar aghaidh ar na tréimhsí measúnaithe ina bhfuil na sonraí a chuirtear isteach faoi bhun thairseach molta na modheolaíochta i dtaobh sonraí idirbhirt nó faoi bhun chaighdeáin cháilíochta riachtanacha an riarthóra, lena n-áirítear aon mhodhanna malartacha measúnaithe lena n-áirítear samhlacha meastacháin teoiriciúla.