How to become a Merchant Account again?

I know that you can become a merchant when you make the account but if you hit the wrong button on next log in is there any way to become a merchant again? if so can you tell me.

Also whats up with the suspicious items i have like 9-10 items and its bene over 3 days i got one on my recently made merchant account i made it like 4 days ago and i transferred items over with a friend and its still suspicious item.. and on my main Zues has like 5 and some have been 4 and some have just recently been 3