Only item (i) is the year-end task, thus we will do and file it beginning of Jan 2017. For item (ii), the workmen compensation report is for 2017 - please ask your new service provider to do.
(i) Filing of summary of payroll withholding tax return for year 2016 - we presume the deadline for this is around February 2017.
(ii) Providing the summary of annual income and expense by each employee within January 2017.