<font face="Verdana, Arial, Helvetica, sans-serif" size="2">Originally posted by ExMo:
What is the basis for this information? It certainly is not in the rules. Last year when I took this flight on a AONE5, I was able to book in business both ways. BTW, at that time the flight also had a single row of first but LA was not releasing that for others to book.</font>
See recentlry posted URL and follow the One World Explorer and Booking Class links.
http://www.hardlink.com/~markdu/OWFiles/
http://www.hardlink.com/~markdu/OWFi...kingCodes.html
In this page, BOOKING CODES section describes clearly about LA/LP/AY/EI domestic flight booking classes.
Furthermore, I got same information from
www.british-airways.co.jp (Unfortunately in Japanese), Airtariff book published in JAPAN.