Need Help in filling out TM30 Online after receiving a renewed British Passport

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The last time I used the online TM30 Application (registered in my wife name and at our home address in Udonthani) was in in 2019 when I arrived back in Thailand at Suvarnabhumi Airport.

 

I have been informed that as I will be getting my new renewed Passport on 15th August that I will need to do a new online TM30 that links to my new renewed Passport.

 

I have some questions related to the required information in the TM30 Application and hope that some members can provide correct information:

 

1. Check-out Date (see screenshot attached).........What date should I use?
2. TM6 No. (see screenshot attached)............ I only have my old TM6 from 2019 which refers to my old Passport; do I use this one or can I leave this blank?
3. Date of Arrival (see screenshot attached)..........What date should I use?
4. Port of Entry (see screenshot attached)........... This is all in Thai and the first entry is Immigration at Suvarnabhumi Airport where I last arrived in 2019 should I use this?
5. Relation (see screenshot attached).........As the TM30 Application is registered in my wifes name should she write my Husband in Thai here?

 

 Many thanks in advance for any help.