"An Act in Relation to Service" was approved by the Territorial Legislature gave legal recognition to slavery (or just indentured servitude?) in Utah Territory.
Sec. 4 declares that "if any white person shall be guilty of sexual intercourse with any of the African race, they shall be subject, on conviction thereof to a fine of not exceeding one thousand dollars, nor less than five hundred, to the use of the Territory, and imprisonment, not exceeding three years."
[Source: Acts, Resolutions, and Memorials Passed by the First Annual, and Special Sessions, of the Legislative Assembly, of the Territory of Utah, in LDS (or related) Documents on Walker Lewis, the Lowell, Mass. Branch of the Mormon Church and its missionaries and members, and the Priesthood Ban against Blacks, Compiled by Connell O'Donovan, http://people.ucsc.edu/~odonovan/Mormon_Chronology.html]