The Department of Human Resources shall seek federal funds, as such are available, to carry out work-related requirements and activities for public assistance applicants and recipients who are required, or permitted, by federal law to be referred to an employment-related activity. Program size, requirements, benefits and services shall be contingent upon the availability of funds and on the program's demonstrated cost effectiveness. The department may also seek and receive other public or private funds, donations, or in-kind services to carry out the program activities of this chapter.