Hey there, @susan2123. Thanks for reaching out.
To modify pay periods for future payroll runs on Full-Service Payroll, you'll need to get in touch with our Support Team. They handle all of your payroll information for you and would be able to get that adjusted. Just follow the steps below to contact them.
- Sign in to your QuickBooks Online company.
- Click Help (?) at the top right.
- Hit Contact Us to connect with a live support agent.
If you'd like to learn a bit more about what Full Service Payroll offers, I recommend: QuickBooks Online Payroll Full Service Hub
Let me know if you have any other questions by hitting the Reply button below. I'll be here to help.