By marking the activate radio button as "Yes", the NPAC will schedule and activate the block range.  By marking the activate radio button as "No", the NPAC will schedule the block range but it will be the responsibility of the SP to activate the block range. By marking the "For Information Only" checkbox, the Part 1B will not be sent to the NPAC. You may contact the NPAC at npac@iconectiv.numberportability.com for further details. 

For additional information, refer to Section 7.1.18 of the ATIS-0300119, Thousands-Block (NPA-NXX-X) & Central Office Code (NPA-NXX) Administration Guidelines (TBCOCAG).