hello i wish to terminate unifi after 2014 ended. have a few question in mind

1. since billing starts mid-month to mid-month, do i still need to pay the half month for jan 2015? i remembered the first month they calculate the rent based on the days left to the next billing period, so wondering if this applies to the termination month/date or not.

2. my subscription is almost 3 years already if im not mistaken, and i heard that i need to return XXX stuffs for them to process the termination faster. is this true?

3. can i just go to any tm center? or only specific center like only can go to titiwangsa instead of the one near wangsa walk.

4. i am the owner of the account, do i need to prepare any black-white documents?

thanks again!