Details:
Any process that modulates the frequency, rate or extent of transcription from an RNA polymerase II promoter that contributes to the commitment of spinal cord motor neurons to specific motor neuron types along the anterior-posterior axis. [GO_REF:0000021, GOC:cls, GOC:dgh, GOC:dph, GOC:jid, GOC:mtg_15jun06, PMID:11262869]