### Clue: Commit businessman over fee in kennels? (10)
### Answer: PERPETRATE 
 ### Explanation: Definition: Commit
 **Reversal of**(… over, in a down clue) REP(short for "representative", possibly an agent in commerce/a businessman) + [ PET RATE ](term one might use to describe the charge/fee for keeping dogs in commercial kennels].
Defn: …, usually a criminal act such as burglary.