Prime Minister Justin Trudeau will join Premier Scott Moe and Cowessess First Nation Chief Cadmus Delorme Tuesday afternoon to make an announcement at Cowessess First Nation.

A ceremony and signing celebration will begin at 2 pm.

Here's a letter sent out to members of Cowessess First Nation from Chief Delorme regarding the ceremony:

Statement courtesy of Chief Cadmus Delorme (@cadmusd) on Twitter

This will mark the Prime Ministers' first visit to the province since Cowessess announced at the end of June that it had found an estimated 751 unmarked graves on the grounds of the former Marieval Indian Residential School.