### Clue: Hear about situation with seconds to go in negotiation (6)
### Answer: TREATY 
 ### Explanation: Definition: negotiation
 TRY(to hear a case in a law court) **containing**(about) "seat"(a situation;a principal location, as in "the seat of government") **minus**(with … to go) "s"(abbrev. for "seconds" in time notation).
Defn: Archaic term for negotiation towards an agreement.