In addition to using grant funds for the eligible costs described in subpart D of this part, recipients and subrecipients in Continuums of Care designated as HPCs may also use grant funds to provide housing relocation and stabilization services and short- and/or medium-term rental assistance to individuals and families at risk of homelessness as set forth in 24 CFR 576.103 and 24 CFR 576.104, if necessary to prevent the individual or family from becoming homeless. Activities must be carried out in accordance with the plan submitted in the application. When carrying out housing relocation and stabilization services and short- and/or medium-term rental assistance, the written standards set forth in § 578.7(a)(9)(v) and recordkeeping requirements of 24 CFR 576.500 apply.