diff --git a/CHANGELOG.md b/CHANGELOG.md
index 43c59228..91ad69e3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,8 @@
 ## 2.0-beta.1 — 10.11.2022
 
 ### Added
+* add `Symfony\Component\Uid\Uuid` requirements
+* add contracts for bitrix24 applications based on bitrix24-php-sdk  - `Bitrix24\SDK\Application\Contracts`, now added `Bitrix24Account`
 
 ### Changed
 * ❗️Batch interface `BatchInterface` [renamed](https://github.com/mesilov/bitrix24-php-sdk/issues/324) to `Bitrix24\SDK\Core\Contracts\BatchOperationsInterface` 
diff --git a/src/Application/Contracts/Bitrix24AccountRepositoryInterface.php b/src/Application/Contracts/Bitrix24Account/Bitrix24AccountRepositoryInterface.php
similarity index 72%
rename from src/Application/Contracts/Bitrix24AccountRepositoryInterface.php
rename to src/Application/Contracts/Bitrix24Account/Bitrix24AccountRepositoryInterface.php
index 4513bc50..deeae92e 100644
--- a/src/Application/Contracts/Bitrix24AccountRepositoryInterface.php
+++ b/src/Application/Contracts/Bitrix24Account/Bitrix24AccountRepositoryInterface.php
@@ -2,24 +2,24 @@
 
 declare(strict_types=1);
 
-namespace Bitrix24\SDK\Application\Contracts;
+namespace Bitrix24\SDK\Application\Contracts\Bitrix24Account;
 
 use Symfony\Component\Uid\Uuid;
 
 interface Bitrix24AccountRepositoryInterface
 {
     /**
-     * Сохранение аккаунта
+     * Save account
      *
      * @param Bitrix24AccountInterface $entity
-     * @param bool            $flush
+     * @param bool                     $flush
      *
      * @return void
      */
     public function saveAccount(Bitrix24AccountInterface $entity, bool $flush = false): void;
 
     /**
-     * Получение аккаунта по его идентификатору
+     * Get by account id
      *
      * @param \Symfony\Component\Uid\Uuid $id
      *
@@ -28,24 +28,24 @@ public function saveAccount(Bitrix24AccountInterface $entity, bool $flush = fals
     public function getById(Uuid $id): Bitrix24AccountInterface;
 
     /**
-     * Физическое удаление аккаунта
+     * Delete account
      *
      * @param Bitrix24AccountInterface $entity
-     * @param bool            $flush
+     * @param bool                     $flush
      *
      * @return void
      */
     public function deleteAccount(Bitrix24AccountInterface $entity, bool $flush = false): void;
 
     /**
-     * Поиск аккаунта по member_id
+     * Find account by member_id
      *
      * @return ?Bitrix24AccountInterface Returns an array of Bitrix24Account objects
      */
     public function findAccountByMemberId(string $memberId): ?Bitrix24AccountInterface;
 
     /**
-     * Получение аккаунта по member_id
+     * Get account by member_id
      *
      * @param string $memberId
      *
@@ -54,7 +54,7 @@ public function findAccountByMemberId(string $memberId): ?Bitrix24AccountInterfa
     public function getAccountByMemberId(string $memberId): Bitrix24AccountInterface;
 
     /**
-     * Поиск аккаунта по идентификатору контактного лица
+     * Find account by contact person id - person, who installed application
      *
      * @param \Symfony\Component\Uid\Uuid $contactPersonId
      *
@@ -63,7 +63,7 @@ public function getAccountByMemberId(string $memberId): Bitrix24AccountInterface
     public function findAccountByContactPersonId(Uuid $contactPersonId): ?Bitrix24AccountInterface;
 
     /**
-     * Поиск аккаунта по URL домена
+     * Find account by domain url
      *
      * @param string $domainUrl
      *