non migrating family members

Hi, I am filling the application for Visa 189 Skilled independent on Immi Account. I am single and no one is migrating with me to Australia. I am bit confused about question number 10 which states that: Does the applicant have any members of their family unit not travelling to Australia who...

During lodgement of visa application, do i need to fill details of non migrating memebers of family units.. i have heared that if i give detail parents then i have to arrange their PCC and Health Declaration.. plz advice...