If you use the Delta Airlines tool, it says an RP is acceptable in lieu of an NP: http://www.delta.com/planning_reserv...t_information/
*** El Cafe ***
LPR since 27 March 2005
N400 - NYC (Brooklyn)
March 2010:
12 Sent
17 Delivered/received, PD on FP notice?
19 PD on NOA
23 NOA date
24 Cheque cashed
29 NOA received
April 2010:
02 FP notice date
05 FP notice received
07 FP done- walk-in
May 2010:
10 YL date
14 YL received
June 2010:
28 case transfered
August 2010:
03 ID - 11:20 Garden City - decision not made