Hi there , recently i just defer online at the ns portal. My
friends all said that they received a letter of comfirmation that u
defer liao within 1 to 2 weeks , but i haven receive it leh. I
think i 3 weeks liao 
and my dateline for the
online deferment is ending , i comfirm chop chop i successfully
defer online. Will i have any problems? Thanks.