How to do checklists to make a financial report and taxation documents as below:

• end of the month checklist for planning and processing payroll
• A checklist for payroll activities to complete quarterly BAS lodgement (includes PAYG data)
• End of the year checklist for payroll activities for finalising company's financial reports and tax preparation
• Strategies for protecting data (e.g. system breakdown)

Please explain these checklists. Thank you