Registration is Open Registration is Open Registration is Open Register for ArchMUN IV Register for ArchMUN IV Pay Online Pay Online Early RegistrationMay 1st-May 31st$80 per delegate$80 per school Normal RegistrationJune 1st-September 15th$90 per delegate$80 per school Late RegistrationSeptember 16th-October 13th$95 per delegate$80 per school $60 flat fee per advisor, regardless of registration period.