Importing of 2017 (5.40) at least Employee master, deductions, tax status. Anyone have any templates, experience, etc.

Want to import payroll master data for set up from a newly acquired non-Sage company into existing Sage company.  At a minimum would need employee master, tax status, employee deductions, etc., Will build an import file from new data for use in VI.  Anyone have existing templates, known pitfalls, or suggestions.