Below is a comparison of the process of the New USN and the old USN:
Old USN Issuance System New USN Issuance System
Basic Process Overview
Local ID is created at the campus level then USN is derived from the Local ID USN is created centrally from HO (systemwide level), no more local IDs 
USN is created after Enrollment since Local ID is issued first USN is created at the time of Admission.
USN is created by Registrar USN is created by Admissions

Process Flow

1. MANUAL: New Student visits the Admissions / Registrar  
2. MANUAL: New Student is issued a local ID number  
3. USN Portal (old): New Student Pre-registers into the USN Portal and is required to specify the Local ID number issued to him / her 1. USN Portal (homepage): Potential / New Student Pre-registers. No more local ID requirement
4. MANUAL: New Student visits the Admissions / Registrar again of the campus that issued the local ID. 2. MANUAL: Potential / New Student physically visits the Admissions of the branch he / she wants to enter
5. MANUAL: Admissions / Registrar Verifies the student and manually creates a USN based on the Local ID specified by the student.  
6. USN Portal (old): Admissions / Registrar Encodes the USN and other information into the USN to triggers the system to send an activation email to the student 3. USN Portal (new): Admissions / Registrar validates if this student has not been issued a USN and triggers the system to generate a USN and send welcome emails to students with the basic account information
7. MANUAL: USN is made known by the admissions / registrar and is issued to the student 4. MANUAL: USN is made known by the admissions / registrar and issued to the student.  The default password of the student is 'password' and should be changed on first login.
8. EMAIL: Student opens the activation mail sent by the system and activates his / her account.  This triggers the system to send another mail with the basic account information and system generated default password  
9. EMAIL: Student opens the basic account information email sent by the system to retrieve his or her password.  
10. Student Portal: Student can now enter Student Portal using the default account 5. Student Portal: Student can now enter Student Portal using the default account.  Initially, students can modify the password and email under the myUSNAccount mini-portal.
11. Student PortalStudent can now modify his / her user account and change the default password 6. Student Portal: Student can now modify his / her user account, change the default password and send verification emails to his / her chosen email.