Designated partner identification: electronic DIR-3 application required and DPIN/DIN changes notified via DIR-6 within thirty days. The amendment requires individuals seeking appointment as designated partners to apply electronically in Form DIR-3 to obtain a DPIN (or use an existing DIN) for appointment, and mandates that DPIN/DIN holders must file Form DIR-6 to intimate any change in particulars to the Central Government within thirty days.