You’re now a first-time member of the working force or about to level-up as an entrepreneur. That’s why you’re checking out this post. You need to apply for a TIN registration update, if you already have your student TIN or
TIN Registration for Self-Employed: Things you should know when applying for a TIN
There are not many brave souls out there that venture into entrepreneurship and make it legal. I guess you dropped by because you must be planning on putting up a business and register it to make it official. Thus I