<blockquote rel="peach17">ibig sabihin po ba, pag nakareceive na ng Invitation to Apply and after mag Lodge ng Visa, need na agad namin magpa Medical and kumuha ng NBI?
Dapat po gawin yun before maallocate ang CO?
</blockquote>
Nope, that is what im saying.. pag ginawa nyo ito agad, iikli ang Initial Entry Date nyo..
So you need to wait for the CO before doing medical/pcc...
Example: nagpamedical/nbi ka ngaun - Jan 14, 2013
Assuming Nagka Case Officer kayo after 3 months - Apr 14, 2013
Na-approved visa nyo after 1 month - May 14, 2013
So from May 14, 2013 visa grant, ang initial entry date required nyo will be Jan 14, 2014( based on your medical/pcc na ginawa nyo before magka-CO)
pero kung hindi ka nagpa-medical/nbi agad, tatagal ang IED mo.. hahaba ang preparation mo para makapag-initial entry...