Schedule: JAXA expects to select proposals for HAYABUSA sample investigation.
The official announcement is here:

(Click to read file)

Link to Documentations
Link to Sample Information Page (Sample Catalog)

HAYABUSA Curator: Masanao Abe, ISAS, JAXA
AO Implementation Committee Chair: Masaki Fujimoto, ISAS, JAXA

Contact to:
Secretariat of Int'l AO for HAYABUSA Sample Investigation