Yes, you can use up to 40% of the PPP loan proceeds for rent and utilities, but you must maintain the following records:
Copies of all utility invoices paid during the 8- or 24-week covered period, with proof of payments
A copy of your lease agreement. If you are the owner of the building you rent, only the mortgage interest qualifies for forgiveness, not the entire rent payment.
Copies of all checks or bank statements showing the payments were made
Copies of your lease or utility invoices dated prior to FEBRUARY 15, 2020, demonstrating you had those services prior to the COVID-19 pandemic