B737-700 FLT CREW QUESTION L30 DC 'COMPLY WITH RESTRS' PHRASEOLOGY WHEN NO SUBSEQUENT RESTRS ARE DEPICTED ON THE LAS TRALR RNAV SID.

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CLRNC WAS RADAR VECTORED TO TRALR RNAV ONE DEP. TKOF RWY 1R; INITIAL CLRNC WAS CLB TO 7000 FT VECTOR 050 DEGS. FIRST ATC VECTOR AFTER HDOF FROM TWR WAS 100 DEGS. THEN; 'CLB TO FL190; COMPLY WITH RESTRS; VECTOR 060 DEGS.' WE TRIED TO QUERY WHAT RESTR ATC CTLR WAS REFERRING TO. B-700 MODEL NAV DISPLAY SHOWED US HEADING NEARLY DIRECTLY TO 'NAPSE' WHICH HAS AN 'AT OR BELOW 7000 FT RESTR.' WE DECIDED UNTIL WE COULD GET AN ANSWER TO WHAT RESTR HE WAS TALKING ABOUT; WE WOULD MAINTAIN 7000 FT UNTIL ABEAM NAPSE AND THEN CLB. ABOUT THE TIME WE WERE ABEAM NAPSE; THE CTLR ANSWERED OUR QUESTION -- THAT THERE WAS NO RESTR ON A RADAR VECTOR. THE MANNER AND TONE OF THE CTLR WAS AS IF WE WERE TOTAL IDIOTS. MOMENTS LATER; HE HAD ISSUED THE SAME; 'COMPLY WITH RESTRS' TO ANOTHER ACR. THIS GUY ASKED THE SAME QUESTION WE DID; AND ADDED; 'WHY ARE YOU SAYING COMPLY WITH RESTRS IF THERE ARE NONE?' THE CTLR ANSWERED; 'BECAUSE I HAVE TO.' THIS CTLR WAS CONFUSING EVERYONE. IF THERE ARE NO RESTRS; THEN WHY IS HE SAYING; 'COMPLY WITH RESTRS?' HE IS CREATING HIS OWN PROBS; AND THEN THE FREQ BECOMES CONGESTED WITH EVERYONE TRYING TO FIGURE OUT WHAT TO DO. CALLBACK CONVERSATION WITH RPTR REVEALED THE FOLLOWING INFO: RPTR HAS NOT RETURNED TO LAS SINCE THIS EVENT. RPTR IS AWARE THAT THEIRS AND OTHER COMPANY INQUIRIES HAVE RESULTED IN THE FAA RESEARCHING AREAS FOR CLARIFICATION. RPTR BELIEVES THAT THE PHRASE 'COMPLY WITH RESTRS' CAN ONLY BE EXECUTED WITH ALT XING RESTRS.