To Whom It May Concern,
This is to certify that I, Mrs. Chinda Suphimas is the wife of Mr.Seksan Suphimas. We are in Common-Law Marriage and have been living together for 18 years, since 1997.
I will definitely be responsible for all family's expenses during the visit to Switzerland on April 10-20, 2015.
I also enclose the copies of bank books and copies of marriage Certificate with this letter.
Sincerely Yours,
Mrs. Chinda suphimas