I have made a prebook(idata2) under my name as it is (principle line) as it says in the prebook page that supplementary line needs to be upgraded to principle line.

After consideration, I wanted to reg the idata2 plan for a supplementary line. Should I book a new one for my supplementary line and ignore the one I book earlier. Or maxis will charge me for not turning up.

Can I get the micro-sim change before the event or it will be on the spot of the event only can change.

if registering for my supplementary line, I can think of bringing the line owner's IC. any other docs you guys have in mind.