You are now over a week late returning my deposit. If you would like a free template to help you write your own security deposit letter, be sure to visit DoorLoop's Resources Page.This part of the security deposit letter refers to the original lease, its effective date, the tenant's move-out date, and the security deposit amount. Nevada Security Deposit Demand Letter. Once your tenants have moved out, it's time to send them their security deposit return letter. However, you can send it electronically as a backup. 280) requires you to refund my deposit within 14 days after the day I moved out. If you fail to do this, you waive any rights to my deposit. Edit, sign, and share Letter from Tenant to Landlord containing Notice of failure to return security deposit and demand for return - Nevada online. Landlords typically collect a security deposit when a tenant moves in.