Why is my are there non legal payments in my payroll expenses on profit and loss?

The Payroll Expenses from the Profit and Loss report shouldn't match with the amount from the Payroll Summary, mainstreetnurser.

The P&L statement in QuickBooks Online shows your total income, your gross profit, expenses and your net income or loss. While the Payroll Summary report only summarizes the paychecks you’ve created, including total wages, taxes, and deductions.

You can click on the number in the totals column to get a detailed transaction list for that Payroll Expenses. And, compare the entries from the Payroll Summary report. 

Please know that your Payroll Expenses from the preferences tracks your payroll wages, taxes, deductions and company contributions in your Chart of Accounts to meet your accounting needs. Check out this article for more details about this: Learn how to manage your payroll accounting settings to track your payroll transactions.

You can run other payroll reports as well to check other transactions. I'm adding this article to see what other report to pull up: Learn how to run, print, and customize payroll reports in QuickBooks Online Payroll.

Let me know if you have additional questions by commenting below. I'll be around to help you.