SANTA CLARITA (CBSLA.com) — A Santa Clarita family Monday will lose custody of their 6-year-old foster child because of a federal law.

For the past four years, Lexi, who is part Choctaw, has been living with her foster parents in Santa Clarita. Her foster dad, Rusty Page, says he and his wife have tried to adopt Lexi for the past three years.

READ MORE: Rakell, Stolarz Help Ducks End Skid In 4-0 Win Over Senators

However, the couple lost their fight against the Indian Child Welfare Act, which was created to keep Native American children with Native American families.

Officials from the Los Angeles County Department of Children and Family Services will pick Lexi up at some point today and bring her to live with extended family in Utah.

READ MORE: Lakers F LeBron James Fined $15,000 For "Obscene Gesture"

According to Page, the family she is supposed to live with is only related to her by marriage. They are not Native American.

CBS2’s Jasmine Viel reported Page has agreed to comply with the county’s orders.

Meanwhile, residents have flocked to Page’s home to show their support.

MORE NEWS: Black Friday Safety: More 'Smash-And-Grab' Robberies Prompt Increase In Mall Security, Pleas To Be Aware While Shopping

The activists say they plan to stay outside the home and will videotape the removal of Lexi.