From War.Ukraine.ua by Viktor Nazarenko
Seized funds will be transferred to Ukraine as part of the new aid package announced on September 6, 2023.
“For the first time, we are transferring to Ukraine assets seized from sanctioned Russian oligarchs, which will now be used to support Ukrainian military veterans,” said US Secretary of State Antony Blinken during the joint press conference with Ukraine’s Foreign Minister Dmytro Kuleba.

Video screeshot: US Department of State website
Blinken also added that “those who have enabled Putin’s war of aggression should pay for it”. This concerns about $5,4 million to be directed to the support and rehabilitation of Ukrainian veterans of war.