[1] One of the earliest border inspection locations, John Carmichael Haynes was the inaugural customs officer 1861–1888 until his death.

Initially on the lower Similkameen River, the customs office relocated[2] to the west shore at the north end of Osoyoos Lake within months.

[5] A 2015 thesis examining the security vulnerabilities of the Osoyoos Port of Entry lacks informative summary conclusions.

[6] In 2022, protesting truck drivers seeking to end COVID-19 pandemic restrictions tied up traffic on Highway 97 and into Osoyoos before heading to the border.

[9] The Oroville border patrol station, established in 1929, actively pursued liquor smugglers during Prohibition in the United States.