detainers or warrants in debt against the defendant for such additional amounts if those amounts could have been included in the amended amount. Any such subsequent unlawful detainers or warrants in debt filed for amounts that were included in the amended amount shall be dismissed. Nothing in this section shall preclude the plaintiff from filing an unlawful detainer for a non-rent lease violation during the pendency of an unlawful detainer for nonpayment of rent or from filing a warrant in debt for amounts unrelated to the unlawful detainer against the defendant.
3. In determining the amount due the plaintiff as of the date of the hearing, if the rental agreement or lease provides that rent is due and payable on the first of the month in advance for the entire month, at the request of the plaintiff or the plaintiff's attorney or agent, the amount due as of the date of the hearing shall include the rent due for the entire month in which the hearing is held, and rent shall not be prorated as of the actual court date. Otherwise, the rent shall be prorated as of the date of the hearing. However, nothing herein shall be construed to permit a landlord to collect rent in excess of the amount stated in such rental agreement or lease. If a money judgment has been granted for the amount due for the month of the hearing pursuant to this section and the landlord re-rents such dwelling unit and receives rent from a new tenant prior to the end of such month, the landlord is required to reflect the applicable portion of the judgment as satisfied pursuant to § 16.1-94.01.
4. If, on the date of a foreclosure sale of a single-family residential dwelling unit, the former owner remains in possession of such dwelling unit, such former owner becomes a tenant at sufferance. Such tenancy may