Where it is impossible to determine the secrecy period, the conditions for declassification shall be determined.
不能确定期限的，应当确定解密的条件。
2
Organs and entities shall determine the specific secrecy period, declassification time or declassification conditions according to their respective work needs.
机关、单位应当根据工作需要，确定具体的保密期限、解密时间或者解密条件。
3
The existence of a secret programme to produce Britain's own stealth plane has been revealed with the declassification of a single photograph and a short statement.