https://russianfreepress.com/2023/07/13/starting-from-october-russian-citizens-who-have-received-a-foreign-residence-permit-will-be-required-to-notify-the-ministry-of-foreign-affairs-of-the-russian-federation-abroad-about-this/
Starting from October, Russian citizens who have received a foreign residence permit will be required to notify the Ministry of Foreign Affairs of the Russian Federation abroad about this.