regulation of transcription by RNA polymerase II primary lung bud formation obsolete regulation of transcription from RNA polymerase II promoter involved in lung bud formation true This term was obsoleted because it represents a GO-CAM model. OBSOLETE. Any process that modulates the frequency, rate or extent of transcription from an RNA polymerase II promoter that contributes to the branching morphogenesis by which the initial primordium of the lung is formed. biological_process GO:0060500