the changes proposed to your plan explained in the statement of response (or have made in a revised plan) are significantly different to the draft on which you consulted
a yw’r newidiadau a gynigir i’ch cynllun a esboniwyd yn y datganiad ymateb (neu a wnaed mewn cynllun diwygiedig) yn sylweddol wahanol i’r drafft y gwnaethoch chi ymgynghori arno