; and (2) connect prospective workers to an organization, approved by the Department of State to sponsor exchange visitors as described under section 101(a)(15)(J) of the Immigration and Nationality Act, for placement as an au pair with a qualified host family in the United States. (c) Other temporary work programs The Secretary of Homeland Security, in consultation with the Secretary of Labor, may, as a matter of discretion, develop tools and resources and establish procedures to allow Designated Processing Centers to connect prospective workers to other temporary employment, training, or exchange visitor opportunities in the United States that require nonimmigrant visa sponsorship. (d) Eligibility Eligibility for referral under this section shall be limited to nationals of El Salvador, Guatemala, or Honduras who— (1) have registered with a Designated Processing Center; and (2) have agreed in writing to participate in the referral program. Eligible individuals shall only be referred to prospective employers or designated organizations for possible visa sponsorship and employment in an area or areas in which the individual has indicated a willingness and desire to work. (e) Limitations Nothing in this section shall be construed— (1) to limit the obligations of an employer, recruiter, designated organization, or other entity to fulfill all requirements for nonimmigrant visa sponsorship as required under the relevant provisions of the Immigration and Nationality Act and regulations issued by the Secretary of Homeland Security or the Attorney General; (2) to guarantee employment or visa sponsorship for any prospective worker who registers with a Designated Processing Center; or (3) to allow a Designated Processing Center, employer, recruiter, or designated organization to charge or collect any placement or referral fee for services rendered under this section. 307. Informational campaign