Purpose of this form: Use this form to request an extension of time to file and pay the Commerce Tax. Upon Application approval, no.NDWR provided notice that a new Application for Extension of Time form must be used when requesting an extension of time. Use this form if you wish to have more time to answer the Complaint the. Landlord has filed against you. There is a form for the Nevada Department of Taxation Application for a 30day Extension of Time to File and Pay Commerce Tax. Submit this form to the Nevada Unclaimed Property Office at least 30 days prior to the original filing due date.