The Association organizes shinsa to rank the members' items upon request.
Jūyō-bunka-shiryō (important cultural reference)
Kōshu-tokubetsu-kichō-shiryō (ranking right below of jūyō-bunkazai-shiryō and candidate of such)
Tokubetsu-kichō-shiryō (kōshu-tokubetsu-kichō-shiryō candidate, very high-quality reference and item worthy of appreciation)
Kichō-shiryō (excellent item, both as a reference and for appreciation)
Hozon-shiryō (worthy of preservation as a reference)
Rejected/returned (item that lacks importance as a historic reference, that has been
significantly remodelled, or that is newly made)
Information on next Shinsa can be found in the pdf attached here.