ORUS Guide
How to create ORUS Account
https://youtu.be/QugVCzzkZlQ
If email not found or records does not match with BIR records
https://youtu.be/SGUZI5xmXJU
Update Email address using S1905
https://youtu.be/sxkvLhqrCZQ
How to register books of accounts (new registered taxpayers)
https://youtu.be/Z0MmsbP4e4o
How to register subsequent books
https://youtu.be/IS2weW4obYM
How to register books for branch
https://youtu.be/LSNqJ1qIKqw