An item in the Sept. 5 Business in Brief column incorrectly described some aspects of a new law expanding President Bush's authority to negotiate trade agreements, specifically the possibility of ending tariffs on some farm products. The law required the administration to ask the U.S. International Trade Commission to review the probable economic effects of any such tariff reductions as soon as it is practical.

An item in the Sept. 7 Metro in Brief column misspelled the name of Zoe Miller Boley, an 85-year-old Silver Spring woman killed in a car crash Thursday.

An item in the Sept. 5 Prince George's Extra Voters Guide misidentified the law school attended by unopposed Circuit Court Judge Julia B. Weatherly. She received her degree from George Washington University Law School.

An article in the Sept. 8 Metro section incorrectly reported the timing of 8th Congressional District Democratic candidate Ira S. Shapiro's 24-hour campaigning marathon. Shapiro began the round-the-clock campaign at 9 last night after spending the weekend observing the Jewish new year.

An article in the Sept. 8 Metro section used the wrong picture for Cpl. Michael Jackson, a candidate for Prince George's County sheriff.

An article in the Sept. 8 Metro section incorrectly reported the number of students in Prince George's County public schools. There are 133,000 students.

Courtland Milloy's Sept. 8 column misstated the number of Democratic candidates running for Prince George's county executive. There are five.