A recent check on the esppsel, the portal which Selangor parents used to register their kids online for Standard One showed the following ie that the system is now closed with effect from 4 January 2016 and visitors are redirected to a new system from the MOE (Ministry of Education)/KPM (Kementerian Pendidikan Malaysia).
This is the new link that is provided in the notice.
A check on the link shows that the following has been added. It reads:
"New: Permohonan ke Tahun Satu bagi negeri Selangor dan Putrajaya ambilan 2017 dan 2018 akan dibuka pada 1 Mac 2016." (New: Application for Standard One for Selangor and Putrajaya for 2017 and 2018 intake will be open on 1 March 2016.)