This is the 15655th most frequent Russian word.
применен
"Применен" means "applied" in English.
'Применён' is used here in a future tense passive form, describing the action of applying the law.
Этот закон будет применён в следующем году.
This law will be applied next year.
'Применён' is used here in a past tense passive form, indicating the action of utilizing a new method.
Новый метод был применён для улучшения результатов.
The new method was applied to improve the results.
'Применено' is used here in a present tense passive form, indicating the state of the condition being applied.