Question on UC TAG's 'colleges attended' and diploma section

If I list a community college I plan on attending in spring 2017, should I list it in the colleges attended section? I’ve never attended it before.

I took the CHSPE (California legal equivalent of hs diploma). Should I list the received diploma date as March 2015? That’s the date on the certificate, but I received it through the mail in April.

Yes to both.