My non-immigrant O spousal visa expires on the 17th April. Couple areas I was looking for advice:

1) What is the earliest and latest date I should apply for my renewal / extension?

2) I know I have to keep 400k seasoning in my bank for 3-months. Could that be in GBP in a Thai Bank account or does it need to be THB? Can I hold term deposits, funds or stocks in a Thai account or does it need to just be cash?

3) Does the cash have to season for 3-months from the date my current visa expires or 3-months prior to my date of application?

TIA

UK passport. SETV ends 22 Jan.

Can I extend 60 days based on marriage at my local Immigration office (Bueng Kan)?

Anyone had experience of Bueng Kan IO (strict and bureaucratic or relaxed like Udon?)

If so, do I need 400k Baht in Thai bank for this 60 day extension or just the usual 20k Baht for extensions.

What steps and docs are needed?

Form TM7

Photos x 2

Marriage certificate (and copies)

Wife to attend with me???

Wife ID, Tabien Baan (and signed copies)

Proof of funds?? 20k or 400k in Thai bank

TM30 (and copy)

Passport and TM6 (and copies signed)

Flight out confirmation???

No hotel booking as staying with missus parents. Or is it better as a "tourist" to be hotel based and have copies of bookings?

1900B Fee

Thanks in advance.