Recognizes that the national historic reserves and national historical parks located in Washington state are important cultural and recreational assets for our citizens.

Declares an intent to encourage the continued preservation and enhancement of historical parks and reserves located in Washington state.

Allows a credit against the tax imposed by chapter 82.04 RCW and chapter 82.16 RCW for approved contributions made to qualified Washington historical projects, subject to certain requirements and limitations.

Requires the department of revenue to keep a running total of all credits approved under this act each calendar year.

Takes effect January 1, 2010.

Expires December 31, 2019.