Hi. My one year non o extension based on marriage and Thai child finishes in February. I would like to go back to my country in March to make a new passport because just two pages left and make a new non o visa over there. So to cover this few weeks can I extend my yearly extension for 60 days in Cheangwattana and not for an other year? 

10 minutes ago, aoneseller said:

So to cover this few weeks can I extend my yearly extension for 60 days in Cheangwattana and not for an other year? 

You could apply for a 60 day extension near the end of one year extension unless you have already gotten one since you last entered the country using a non-o visa.

I see. Thanks for the supporting answer. I will do that. 

You will need to take either your wife or child with you when you apply.

I ended up an other 1 year extension today. They said I cannot make 60 days extension because I made one already. I forgot about that. And they said no problem I can make new passport, the one year extension will not cancel.