pointed out. And seeing that you haven't gotten a 60-days family visit extension, yet, on top of your last entry, and you are aiming at the 12-months Extension of stay based on marriage to a Thai wife, yes, it should be accepted
yes, you are right, you can only use the 60-days family visit once per entry. So maybe you will be allowed to get another one on Immigration if it is really "per entry" and not per "calendar year". As it would be the only one upon your current 60-days stay permit out of a visa-exempt entry. Visit Immigration and ask. You would not need to exit, and meet the deposit seasoning requirement during these extra 60 days
as being married to a Thai wife, you could apply on Immigration for the 60-days "family visit" extension before your current stay permit expires. Then you don't need to do the border bounce
as being married to a Thai wife, you could apply on Immigration for the 60-days "family visit" extension. Then do the border bounce and another 60-days visa exempt entry after that
by the time that said Thai Traffic Law 42 was written, a "temporary visitor" was allowed no longer than 30+30 days per ONE entry inside the country. There weren't any 1-year visa available in these days 😉
"citation needed" . . . . nowhere in your text Thailand gets especially mentioned. Also in the Thai traffic law 42 nowhere is mentioned that a license is valid for one year