"President Biden will soon issue a decree that would prohibit new investment, trade and finance citizens of the USA in relation to the so-called DNR and LNR," - said in a statement Psak.
According to her, this decree will also allow imposing sanctions on every person who intends to work in these regions.
She added that Washington will soon announce additional measures on the matter.
Earlier, Russian President Vladimir Putin signed decrees on Russia's recognition of the independence of the self-proclaimed Donetsk and Lugansk People's Republics.