House Concurrent Resolution No. 166 addresses technical errors found in House Bill No. 4187, which has been approved by both the Texas House of Representatives and the Senate. The resolution instructs the enrolling clerk of the House to make specific corrections to the bill's text before it is finalized for enrollment. The proposed changes include a correction in Section 11 regarding the Government Code and a revision of Section 15 to clarify the responsibilities of the Texas Historical Commission concerning the preservation and maintenance of official Texas historical markers.

The resolution was adopted by the House on May 28, 2025, with a unanimous vote of 121 in favor and none against, and it was subsequently adopted by the Senate on May 30, 2025, also with unanimous support. The corrections outlined in the resolution aim to ensure the accuracy and clarity of the legislation as it moves forward in the legislative process.