 	# Legacy UID format before 2021 but still valid
 	{id: 'AB12345677', cardType: 'twrc', expect: true}
 	{id: 'AC12345679', cardType: 'twrc', expect: true}
-	{id: 'AB00207171', cardType: 'twrc', expect: true}
-	{id: 'AC03095424', cardType: 'twrc', expect: true}
-	{id: 'BD01300667', cardType: 'twrc', expect: true}
-	{id: 'CC00151114', cardType: 'twrc', expect: true}
-	{id: 'HD02717288', cardType: 'twrc', expect: true}
-	{id: 'TD00251124', cardType: 'twrc', expect: true}
+	{id: 'AB00207171', cardType: 'twrc', expect: true} # from repo PR4
+	{id: 'AC03095424', cardType: 'twrc', expect: true} # from repo PR4
+	{id: 'BD01300667', cardType: 'twrc', expect: true} # from repo PR4
+	{id: 'CC00151114', cardType: 'twrc', expect: true} # src: Wikimedia Commons
+	{id: 'HD02717288', cardType: 'twrc', expect: true} # from repo PR4
+	{id: 'TD00251124', cardType: 'twrc', expect: true} # from repo PR4
 
 	# fail test: length
 	{id: 'AB1234566', cardType: 'twrc', expect: false}

	{id: 'AB1234567X', cardType: 'twrc', expect: false}
	{id: 'ABC1234567', cardType: 'twrc', expect: false}

	# fail test: gender
	{id: 'AE12345673', cardType: 'twrc', expect: false} # only [A-D] in 2nd character

	# fail test: checksum
	{id: 'AB12345670', cardType: 'twrc', expect: false}


	# China Resident Identity Card

	{id: 'AXXXXXXXX9', cardType: 'twid', expect: false}
	{id: '0123456789', cardType: 'twid', expect: false}

	# fail test: gender (2nd character has to be 1 or 2)
	{id: 'D012345678', cardType: 'twid', expect: false}
	{id: 'C987654321', cardType: 'twid', expect: false}
	{id: 'E345678901', cardType: 'twid', expect: false}

	# fail test: checksum
	{id: 'A234567890', cardType: 'twid', expect: false} # src: Apple Daily TW


	# Taiwan Resident Certificate
