At Samut Prakan immigration this morning, valid multi entry non O w/ expired entry stamp. Seeking 60 day extension (starting Sep 26?) & was told at reception wouldn't be possible but go in and "see if they can help." According to my wife's translation, the officer said yes, she would give the extension but we would be "losing days" overlapping the amnesty. Her advice was to wait. She couldn't promise but maybe the amnesty would be extended again? If not, come back in mid-late September. We thanked her for her time and left. Just sharing our experience for anyone in a similar situation.