On such occasions it is the responsibility of the line managers to determine an alternative time for parental leave to be taken but this must be within three months of the original request.
Mewn achosion o'r fath, cyfrifoldeb y rheolwyr llinell yw penderfynu ar amser arall y gellir cymryd absenoldeb rhiant ond mae'n rhaid bod hyn o fewn tri mis i'r cais gwreiddiol.