To provide for donor contribution acknowledgments to be displayed at projects authorized under the Commemorative Works Act, and for other purposes.

Authorizes the Secretary of the Interior or the Administrator of General Services (GSA), as applicable, to permit a sponsor authorized to establish a commemorative work in the District of Columbia and its environs to acknowledge donor contributions at such work.

Requires the Secretary to approve such plan if it: (1) allows only short, discrete, and unobtrusive acknowledgments or credits; (2) does not permit any advertising slogans or company logos; and (3) conforms to applicable National Park Service guidelines for indoor recognition.

Requires the sponsor to: (1) bear all display expenses; and (2) submit a display plan to the Secretary for approval before the display.

Allows resubmission of a revised plan if the original plan is not approved.