What are the requirements for applying for a Non-O Dependent Visa for a Thai child in Vientiane?

From

@Amornrat *********

website...

Vientiane

Suitable for apply Non B (only one in one full year), Non ED (most first timers have no problem, only one application from Language Schools in one full year , cover letter must only indicate your specific level & show bank balance THB 20,000.- & Rental Contract. As of now we can not confirm on how to do with second year applicants).

***OK for Non O Single Entry if married to Thai or support Thai Child (if back to back application, they will ask show money THB 200,000.- in Thai Bank Account).

For application Non O Volunteer first time OK(if back to back need guarantee letter from said Ministry equivalent to department level).

Tourist Visa, if you had previously some Tourist visas your application will be considered more carefully. Vientiane is now asking for proof of funds, Book Bank with balance THB 20,000.- up OR print out from Bank account from home country value USD 700.-up. Onward air ticket is not required, but prepare Rental Contract.

there are several reports of people applying for this visa based on dependent and already have this type of visa in their passports, to show proof of minimum 200.000 Thb in a Thai bank account.