Update

core/bitrix/modules/ui/lib/Integration/HumanResources/DepartmentQueries.php

@@ -0,0 +1,28 @@
+<?php
+
+namespace Bitrix\UI\Integration\HumanResources;
+
+use Bitrix\HumanResources;
+use Bitrix\Main\Loader;
+
+Loader::requireModule('humanresources');
+
+class DepartmentQueries
+{
+	private HumanResources\Service\Container $hrServiceLocator;
+
+	public static function getInstance(): self
+	{
+		return new self();
+	}
+
+	private function __construct()
+	{
+		$this->hrServiceLocator = HumanResources\Service\Container::instance();
+	}
+
+	public function getDepartmentByAccessCode(string $accessCode): ?HumanResources\Item\Node
+	{
+		return $this->hrServiceLocator::getNodeRepository()->getByAccessCode($accessCode);
+	}
+}

core/bitrix/modules/ui/lib/Integration/HumanResources/HumanResources.php

@@ -0,0 +1,48 @@
+<?php
+
+namespace Bitrix\UI\Integration\HumanResources;
+
+use Bitrix\HumanResources\Config\Storage;
+use Bitrix\HumanResources\Type\AccessCodeType;
+use Bitrix\Main\Loader;
+use COption;
+
+final class HumanResources
+{
+	public const IS_CONVERTED_OPTION_NAME = 'entity_editor_config_access_codes_is_converted';
+
+	public static function getInstance(): self
+	{
+		return new self();
+	}
+
+	private function __construct()
+	{
+
+	}
+
+	public function buildAccessCode(string $value, int $nodeId): ?string
+	{
+		if ($this->isUsed())
+		{
+			return AccessCodeType::tryFrom($value)?->buildAccessCode($nodeId);
+		}
+
+		return null;
+	}
+
+	public function isUsed(): bool
+	{
+		return Loader::includeModule('humanresources') && Storage::instance()->isCompanyStructureConverted(false);
+	}
+
+	private function isEntityEditorConfigAccessCodesConverted(): bool
+	{
+		return COption::GetOptionString('ui', self::IS_CONVERTED_OPTION_NAME, 'Y') === 'Y';
+	}
+
+	public function isAccessCodesCanBeUsed(): bool
+	{
+		return $this->isUsed() && $this->isEntityEditorConfigAccessCodesConverted();
+	}
+}