According to
this thread you should be fine. (Specifically post #16.) I have pasted the appopriate parts below:
Originally Posted by rcs85551
The Government of Lybia mandates that all tickets originating from Lybia must be sold in Lybia, and paid for there. Hence, all the airlines have advised their staff as well as travel agents with regards to this rule.
...
FYI, here is the reminder SWISS has sent to travel agents:
Code:
UNITED KINGDOM EN 12JUL05 0648Z
************************************************** **********
*
**** IMPORTANT **** IMPORTANT **** IMPORTANT ****
*
************************************************** *********
*
WITH IMMEDIATE EFFECT NO **SOTO** TICKETS ARE PERMITTED OUT
OF TIP AND BEN I.E. ALL TICKETS STARTING IN LIBYA MUST BE
ISSUED IN LIBYA.IE ONLY SITI TRANSACTIONS ARE VALID
*
NO EXCEPTION CAN BE MADE AND SWISS AT TRIPOLI AIRPORT WILL
NOT ACCEPT ANY SUCH
TICKETS ANYMORE. THIS REGULATION HAS BEEN GIVEN TO ALL
AIRLINES OPERATING OUT OF LIBYA BY CIVIL AVIATION OF LIBYA.
*
PLEASE STRICTLY STICK TO THIS RULE.
************************************************** **********
PTA **** PTA NOT ACCEPTED IN LIBYA
*
************************************************** *******
Therefore, as long as the transaction is SITI, you should be fine.
Cheers