diff --git a/build/tools/MasterEditor/MasterEditorTWL/MasterEditorTWL.ncb b/build/tools/MasterEditor/MasterEditorTWL/MasterEditorTWL.ncb
index 5c12563..6ed0b3f 100644
Binary files a/build/tools/MasterEditor/MasterEditorTWL/MasterEditorTWL.ncb and b/build/tools/MasterEditor/MasterEditorTWL/MasterEditorTWL.ncb differ
diff --git a/build/tools/MasterEditor/MasterEditorTWL/MasterEditorTWL.suo b/build/tools/MasterEditor/MasterEditorTWL/MasterEditorTWL.suo
index 46043a3..0fde91c 100644
Binary files a/build/tools/MasterEditor/MasterEditorTWL/MasterEditorTWL.suo and b/build/tools/MasterEditor/MasterEditorTWL/MasterEditorTWL.suo differ
diff --git a/build/tools/MasterEditor/MasterEditorTWL/MasterEditorTWL/Debug/BuildLog.htm b/build/tools/MasterEditor/MasterEditorTWL/MasterEditorTWL/Debug/BuildLog.htm
index 70b8e39..24b81ef 100644
Binary files a/build/tools/MasterEditor/MasterEditorTWL/MasterEditorTWL/Debug/BuildLog.htm and b/build/tools/MasterEditor/MasterEditorTWL/MasterEditorTWL/Debug/BuildLog.htm differ
diff --git a/build/tools/MasterEditor/MasterEditorTWL/MasterEditorTWL/Form1.h b/build/tools/MasterEditor/MasterEditorTWL/MasterEditorTWL/Form1.h
index 7818a27..c1f08d9 100644
--- a/build/tools/MasterEditor/MasterEditorTWL/MasterEditorTWL/Form1.h
+++ b/build/tools/MasterEditor/MasterEditorTWL/MasterEditorTWL/Form1.h
@@ -4705,7 +4705,7 @@ private: System::Windows::Forms::TextBox^  tboxPurposeInError;
 				this->rPurposeZone
 			};
 
-			if( this->hSrl->IsMediaNand )
+			if( this->hSrl->IsMediaNand )		// SRLが読み込まれていないときにはfalseであることが保証されている
 			{
 				for each( System::Windows::Forms::RadioButton ^r in rbutsCard )
 				{
@@ -4736,6 +4736,8 @@ private: System::Windows::Forms::TextBox^  tboxPurposeInError;
 				}
 			}
 
+			// SRLのリージョンによって選択可能な項目をマスクする
+
 			// 日本向けでは"店頭試遊台(単独型)"をなくす
 			if( this->hSrl->IsRegionJapan )
 			{
@@ -4755,6 +4757,51 @@ private: System::Windows::Forms::TextBox^  tboxPurposeInError;
 				}
 			}
 
+			// さらにリージョンのコンボボックスによって選択可能な項目をマスクする
+
+			// 日本リージョンの場合には"店頭体験版(単独型)"を非表示にする
+			if( this->combRegion->SelectedIndex == 0 )
+			{
+				this->rPurposeCardKiosk->Enabled = false;
+				if( this->rPurposeCardKiosk->Checked )
+				{
+					this->changePurposeForms( this->rPurposeOther );
+				}
+			}
+			else
+			{
+				if( !System::String::IsNullOrEmpty(this->tboxFile->Text) && this->hSrl->IsMediaNand )
+				{
+					this->rPurposeCardKiosk->Enabled = false;	// すでにメディアによってマスクされているときには選択不可
+				}
+				else
+				{
+					this->rPurposeCardKiosk->Enabled = true;
+				}
+			}
+
+			// 英語版では"Touch!Try!DS"をなくす
+			if( (this->combRegion->SelectedIndex == 1) ||
+				(this->combRegion->SelectedIndex == 5) ||
+				(this->combRegion->SelectedIndex == 6) )
+			{
+				this->rPurposeDSStation->Enabled = false;
+				if( this->rPurposeDSStation->Checked )
+				{
+					this->changePurposeForms(this->rPurposeOther);
+				}
+			}
+			else
+			{
+				if( !System::String::IsNullOrEmpty(this->tboxFile->Text) && this->hSrl->IsMediaNand )
+				{
+					this->rPurposeDSStation->Enabled = false;
+				}
+				else
+				{
+					this->rPurposeDSStation->Enabled = true;
+				}
+			}
 		} //maskPurposeForms()
 
 	private:
@@ -4957,6 +5004,9 @@ private: System::Windows::Forms::TextBox^  tboxPurposeInError;
 		// コンボボックスをチェック
 		System::Boolean checkComboBoxIndex( System::Windows::Forms::ComboBox ^box, System::String ^tag, System::Boolean isAffectRom );
 
+		// ラジオボタンをチェック
+		System::Boolean checkRadioButton( cli::array<System::Windows::Forms::RadioButton^> ^rbuts, System::String ^tag );
+
 		// -----------------------------------------------------------------
 		// 提出情報(SRLに影響しない箇所のみ)とフォーム間のデータのやりとり
 		// -----------------------------------------------------------------
@@ -5763,36 +5813,7 @@ private: System::Windows::Forms::TextBox^  tboxPurposeInError;
 			this->changeUnnecessaryRatingForms(false);	// 一度コンボボックスがenableになるので再設定
 
 			// リージョン変更によって表示する「用途」を変更する
-
-			// 日本リージョンの場合には"店頭体験版(単独型)"を非表示にする
-			if( this->combRegion->SelectedIndex == 0 )
-			{
-				this->rPurposeCardKiosk->Enabled = false;
-				if( this->rPurposeCardKiosk->Checked )
-				{
-					this->changePurposeForms( this->rPurposeOther );
-				}
-			}
-			else
-			{
-				this->rPurposeCardKiosk->Enabled = true;
-			}
-
-			// 英語版では"Touch!Try!DS"をなくす
-			if( (this->combRegion->SelectedIndex == 1) ||
-				(this->combRegion->SelectedIndex == 5) ||
-				(this->combRegion->SelectedIndex == 6) )
-			{
-				this->rPurposeDSStation->Enabled = false;
-				if( this->rPurposeDSStation->Checked )
-				{
-					this->changePurposeForms(this->rPurposeOther);
-				}
-			}
-			else
-			{
-				this->rPurposeDSStation->Enabled = true;
-			}
+			this->maskPurposeForms();
 		}
 	private:
 		// レーティング表示不要が選択されたときにレーティングを選択不可にする
diff --git a/build/tools/MasterEditor/MasterEditorTWL/MasterEditorTWL/Form_deliv.cpp b/build/tools/MasterEditor/MasterEditorTWL/MasterEditorTWL/Form_deliv.cpp
index 0352b14..45bcf51 100644
--- a/build/tools/MasterEditor/MasterEditorTWL/MasterEditorTWL/Form_deliv.cpp
+++ b/build/tools/MasterEditor/MasterEditorTWL/MasterEditorTWL/Form_deliv.cpp
@@ -327,6 +327,20 @@ System::Boolean Form1::checkDeliverableForms(void)
 		this->checkTextForm( this->tboxPurposeOther->Text, "LabelUsage" );
 	}
 
+	//「用途」の項目はグループボックスの機能を使っておらず
+	// もしかしたらチェック漏れが発生するかもしれないのでチェックが入っているかを調べておく
+	cli::array<System::Windows::Forms::RadioButton^> ^rbuts = gcnew cli::array<System::Windows::Forms::RadioButton ^>
+	{
+		this->rPurposeCardProduction,
+		this->rPurposeCardDistribution,
+		this->rPurposeCardKiosk,
+		this->rPurposeDSiWare,
+		this->rPurposeDSStation,
+		this->rPurposeZone,
+		this->rPurposeOther
+	};
+	this->checkRadioButton( rbuts, "LabelUsage" );
+
 	// 会社情報
 	this->checkTextForm( this->tboxPerson1->Text, "LabelPerson1" );
 	this->checkTextForm( this->tboxCompany1->Text, "LabelCompany1" );
diff --git a/build/tools/MasterEditor/MasterEditorTWL/MasterEditorTWL/Form_tmp.cpp b/build/tools/MasterEditor/MasterEditorTWL/MasterEditorTWL/Form_tmp.cpp
index 08fe563..53b583b 100644
--- a/build/tools/MasterEditor/MasterEditorTWL/MasterEditorTWL/Form_tmp.cpp
+++ b/build/tools/MasterEditor/MasterEditorTWL/MasterEditorTWL/Form_tmp.cpp
@@ -349,6 +349,7 @@ void Form1::loadTmp( System::String ^filename )
 	this->maskRatingForms();	// ペアレンタルコントロール情報をリージョンに合わせる
 	this->changeUnnecessaryRatingForms(true);	// 一度コンボボックスがenableになるので再設定
 	this->maskBackupMemoryForms();				// NANDアプリのときのバックアップメモリの自動設定
+	this->maskPurposeForms();
 	//this->maskDLCategoryForms();
 } //loadTmp()
 
diff --git a/build/tools/MasterEditor/MasterEditorTWL/MasterEditorTWL/Form_util.cpp b/build/tools/MasterEditor/MasterEditorTWL/MasterEditorTWL/Form_util.cpp
index 2b31819..b59cc65 100644
--- a/build/tools/MasterEditor/MasterEditorTWL/MasterEditorTWL/Form_util.cpp
+++ b/build/tools/MasterEditor/MasterEditorTWL/MasterEditorTWL/Form_util.cpp
@@ -74,10 +74,33 @@ System::Boolean Form1::checkComboBoxIndex( System::Windows::Forms::ComboBox ^box
 		System::String ^msgE = this->hMsg->getMessage("ComboBoxInput", "E");
 		this->hErrorList->Add( gcnew RCMrcError( 
 			labelJ, 0, 0, msgJ, labelE, msgE, true, isAffectRom, RCMrcError::PurposeType::Common ) );
+		return false;
 	}
 	return true;
 }
 
+// ラジオボタンをチェック
+System::Boolean Form1::checkRadioButton( cli::array<System::Windows::Forms::RadioButton^> ^rbuts, System::String ^tag )
+{
+	bool checked = false;
+	for each( System::Windows::Forms::RadioButton ^r in rbuts )
+	{
+		if( r->Checked )
+		{
+			checked = true;
+		}
+	}
+	if( !checked )
+	{
+		System::String ^labelJ = this->hMsg->getMessage(tag,"J");
+		System::String ^labelE = this->hMsg->getMessage(tag,"E");
+		System::String ^msgJ = this->hMsg->getMessage("RadioButtonInput", "J");
+		System::String ^msgE = this->hMsg->getMessage("RadioButtonInput", "E");
+		this->hErrorList->Add( gcnew RCMrcError( labelJ, 0, 0, msgJ, labelE, msgE, true, false, RCMrcError::PurposeType::Common ) );
+		return false;
+	}
+	return true;
+}
 
 // --------------------------------------------------------
 // エラー情報の登録
diff --git a/build/tools/MasterEditor/MasterEditorTWL/resource/gui_msg_e.xml b/build/tools/MasterEditor/MasterEditorTWL/resource/gui_msg_e.xml
index a653ec5..c4f0400 100644
--- a/build/tools/MasterEditor/MasterEditorTWL/resource/gui_msg_e.xml
+++ b/build/tools/MasterEditor/MasterEditorTWL/resource/gui_msg_e.xml
@@ -102,12 +102,13 @@ Exception:{0}
 <TextBoxInput>Insufficient input: Input data.</TextBoxInput>
 <NumRangeInput>Insufficient input: Illegal value.</NumRangeInput>
 <ComboBoxInput>Insufficient input: Select data.</ComboBoxInput>
+<RadioButtonInput>Insufficient input: Select data.</RadioButtonInput>
 <LabelProductName>Product Name</LabelProductName>
 <LabelProductCode>Product Code</LabelProductCode>
 <LabelCountryCode>Product Code(Region Code)</LabelCountryCode>
 <LabelProductNameForeign>Product Name(Foreign Version)</LabelProductNameForeign>
 <LabelProductCodeForeign>Product Code(Foreign Version)</LabelProductCodeForeign>
-<LabelUsage>Usage</LabelUsage>
+<LabelUsage>Purpose</LabelUsage>
 <LabelBackup>Backup Memory</LabelBackup>
 <LabelPerson1>Contact1</LabelPerson1>
 <LabelFurigana1>Furigana</LabelFurigana1>
diff --git a/build/tools/MasterEditor/MasterEditorTWL/resource/gui_msg_j.xml b/build/tools/MasterEditor/MasterEditorTWL/resource/gui_msg_j.xml
index 4fd9192..5b323ba 100644
--- a/build/tools/MasterEditor/MasterEditorTWL/resource/gui_msg_j.xml
+++ b/build/tools/MasterEditor/MasterEditorTWL/resource/gui_msg_j.xml
@@ -102,12 +102,13 @@
 <TextBoxInput>蜈･蜉帶ｼ上ｌ: 蜈･蜉帙＠縺ｦ縺上□縺輔＞縲�</TextBoxInput>
 <NumRangeInput>蜈･蜉帶ｼ上ｌ: 蛟､縺御ｸ肴ｭ｣縺ｧ縺吶��</NumRangeInput>
 <ComboBoxInput>蜈･蜉帶ｼ上ｌ: 驕ｸ謚槭＠縺ｦ縺上□縺輔＞縲�</ComboBoxInput>
+<RadioButtonInput>蜈･蜉帶ｼ上ｌ: 驕ｸ謚槭＠縺ｦ縺上□縺輔＞縲�</RadioButtonInput>
 <LabelProductName>陬ｽ蜩∝錐</LabelProductName>
 <LabelProductCode>陬ｽ蜩√さ繝ｼ繝�</LabelProductCode>
 <LabelCountryCode>陬ｽ蜩√さ繝ｼ繝�(莉募髄蝨ｰ莉墓ｧ倥さ繝ｼ繝�)</LabelCountryCode>
 <LabelProductNameForeign>陬ｽ蜩∝錐(豬ｷ螟也沿)</LabelProductNameForeign>
 <LabelProductCodeForeign>陬ｽ蜩√さ繝ｼ繝�(豬ｷ螟也沿)</LabelProductCodeForeign>
-<LabelUsage>逶ｮ逧�</LabelUsage>
+<LabelUsage>逕ｨ騾�</LabelUsage>
 <LabelBackup>繝舌ャ繧ｯ繧｢繝�繝励Γ繝｢繝ｪ</LabelBackup>
 <LabelPerson1>縺疲ｰ丞錐(諡�蠖楢��1)</LabelPerson1>
 <LabelFurigana1>縺ｵ繧翫′縺ｪ(諡�蠖楢��1)</LabelFurigana1>