They were originally, but Brunei's Olympic Organizing committee did not get the entries in before the deadline, causing them to be expelled from the 2008 games.
There was one country disqualified to participate in the 2008 Games and that was Brunei Darussalam for not registering their athletes with the IOC time frame.
205.
Western Sahara, Vatican City and Brunei in 2008
Jeffrey Wijangco Gopez
Lebanon is represented at the 2008 Olympics by Rudy Hachache in judo and Ziad Richa in skeet shooting.
running long jump
Erison Hurtault, Chris Lloyd
Beijing,China is the country where the 2008 Summer Olympics occurs.
Sania Mirza represented India in the 2008 Beijing Summer Olympics, in the singles and doubles women's events.
Vatican City Brunei Swaziland Saudi Arabia
Nauru
Saudi Arabia