"The observers are few, but we happily and warmly welcome them," National League for Democracy (NLD) spokesman Nyan win said.
The Jakarta-based Asean Secretariat on Tuesday announced that Burma had invited a five-person delegation from its office and two legislators from each country in the region to monitor the election.
The vote is being held to fill 48 parliament seats left vacant when the current cabinet members office a year ago.
Asean groups Burma, Brunei, Cambodia, Indonesia, Laos, Malaysia, the Philippines, Singapore, Thailand and Vietnam.//DPA