; and (8) contain such other information as the Attorney General may require. (f) Notice The national telephone hotline and the URL of the online resource service described in this section shall be posted in a visible place in all Federal buildings. (g) Duration Grants awarded to eligible entities and institutions under this subsection shall be 2 years in duration. A grant may be extended for additional 2-year periods. (h) Conditions on payment The provision of payments under a grant awarded under this section shall be subject to annual approval by the Attorney General and subject to the availability of appropriations for each fiscal year to make the payment. (i) Grantee report Each eligible entity or institution that receives a grant shall submit a yearly report to the Attorney General detailing how the grant recipient has been able to meet the goals of its plans and reporting the statistical summaries. (j) Report to Congress Not later than 1 year after the date of enactment of this Act, and every year thereafter, the Attorney General shall report to Congress on the implementation operations and statistical summaries developed and collected under this section and policy changes made within the Department of Justice in response to the implementation operations and statistical summaries. (k) GAO review and report (1) Review Not later than 2 years after the date on which the Attorney General establishes the national telephone hotline and online resource service to assist victims of law enforcement officer violence and harassment in communicating with service providers, the Comptroller General of the United States shall conduct a review of the program to ensure the effectiveness of the telephone hotline and online resource service in enhancing awareness and education of services available to victims of law enforcement officer violence or harassment, which shall include— (A) an assessment of the effectiveness of the telephone hotline and online resource service, including— (i) assessing the effectiveness of the