1 files changed, 15 insertions, 5 deletions

diff --git a/misc/uicBarcodeHeader_v2.0.0.asn b/misc/uicBarcodeHeader_v2.0.0.asn
index e7363b0..55915d0 100644
--- a/misc/uicBarcodeHeader_v2.0.0.asn
+++ b/misc/uicBarcodeHeader_v2.0.0.asn
@@ -112,11 +112,21 @@ ASN-Module DEFINITIONS AUTOMATIC TAGS ::= BEGIN
    }

 

    DataType ::= SEQUENCE {

-    	-- Content of data format:

-    	-- FCBn (FCB1 = FCB version 1, FCB2 = FCB version 2)

-    	-- FDCn dynamic content

-    	-- or proprietary:

-    	--  _RICS company code + addon       	

+    	

+        -- The value of 'dataFormat' describes how 'data' is encoded:

+        -- "FCBn" means that 'data' is the Canonical Unaligned PER encoding 

+        --    of an ASN.1 element of type UicRailTicketData in major version n.

+        -- "FDCn" means that 'data' is the Canonical Unaligned PER encoding 

+        --    of an ASN.1 element of type UicDynamicContentData in major version n.

+        -- "+" + [2-letters ISO 3166 country code] + [addon, chosen by the standardization body of that country]

+        --    means that 'data' is a content defined by the national standardization body,

+        --    identified as 'addon' by this body.

+        -- "_" + [4-digit RICS] + [addon, chosen by this company] means that 'data' is a proprietary

+        --    content of the company identified by the RICS code, identified as 'addon' by this company.

+        -- "*" + [addon] means that 'data' is a content specific to this barcode,

+        --    with no further information on who defined it, identified as 'addon' by its issuer.

+        -- Others values are reserved for future UIC use and shall not be used. 	

+    	  	

        	dataFormat	    IA5String,      	

     	data	    	OCTET STRING

    }