Attendees talk at a OSA Meeting

 

Registration Site Opens in Late March

Customer Service 
For questions regarding registration for the 2018 congress, please Customer Service at http://help.osa.org or +1 202.416.1907.

Refund Policy for Registration
NO REQUESTS FOR REFUNDS WILL BE CONSIDERED AFTER MONDAY, 11 June 2018.

Refunds based on the inability to get a visa will be evaluated on a case by case basis. Please begin the visa application process early. The visa process can take as long as 3 months in some cases.