Applying for family AN and MN1 - need help

[tan777]

Experts,
I got naturalised last week, and applied for passport yesterday , thus sending my original BC certificate with application. Unfortunately I totally missed that I have an appointment with NCS on 22nd August to submit AN and MN1 for my spouse & children. My wife meets both 3 year (married to BC) and 5 year criteria. Wanted to use former, but I don't have original BC certificate and unlikely to get it back in time for 22nd August. Options I have are,
1)I postpone their application date to give time for my BC certificate to return
or
2)I apply with 5 year criteria for my wife - if I do, will I have to provide any residence proofs for my wife (I remember I didn't submit any for my AN application)
or
3) Take copy of my BC certificate with Post office check & send receipt to NCS and apply with 3 year option

Any views on what will be best course for me please?

[noajthan]

If on UK migration path with ILR the residence proof for wife is wife's passport.

You may still have to prove you are British for child's application.