The Police Order No. 606/2549 Sec. 7.17(6) does not distinguish between new or old applicants(those already in the system). Where does Thai law distinguish between the two. The code section I cited, if controlling, supports my interpretation. Is there another law or code section that supercedes or clarifies the requirements per your interpretation?

I suggest you read this web site very carefully.

Sec. 7.17(6)makes it quite clear that it is income only, if you are starting today.

The 400K option is only for people who were in the system before Oct 2006.

Except for the case that the said foreign national has

entered Thailand before this Order is enforced and the foreign national

has been permitted to stay in the Kingdom by the result of having

married to a Thai wife, then if the applicant does not have the said

income, then, the latest 3 months records of the account book of any

Bank in Thailand with the account name of either or both parties need

to have the amount of money not less than 400,000 Baht.

It cannot be any clearer than that.

I think Thai laws, including immigration rules are purposely written so that they can be "flexibly" applied to fit different circumstances. I don't think it would be advisable to tell whichever immigration office you use what the law is. When in doubt, check for yourself and follow their instructions. Keep a low profile and don't rock the boat. They are easy to deal with as long as you follow their instructions and keeping in mind that some offices have different rules from others.