The ruling on the imam prostrating for forgetfulness before the closing salam at times and after it at other times

Question:
If the imam prostrates once before the salam, or sometimes before the salam and sometimes after the salam, but he does not know when to prostrate before and when to prostrate after,

Answer:
The matter is easy. If he prostrates, that is what is required. The requirement is the prostration, whether before the salam or after the salam; all of this is supported by the hadiths. Yes.