surname missing in passport

[sabhlok2812]

Hi experts ,


after ITA in IMM008 form i need to fill my spouse name
in the form there is a section for spouse detail where i need to mention given Name and surname of spouse.

surname is missing in my spouse passport.
what should i write in that column.

eg my spouse name is AAA BBB
in passport
given name - AAA BBB
surname - ..................

option1 -
spouse surname in form = spouse given name in passport
spouse given name in form = <blank>

spouse surname in form = AAA BBB
spouse given name in form = <blank>


option2 -
spouse surname in form = BBB
spouse given name in form = AAA

early response will be highly appreciated.

thanks a ton