AIR File Validation Utility (FVU)
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This utility is to be used for validation (format level) of AIR  before furnishing the AIR either online directly to NSDL or with a TIN-FC.

The input screen of FVU has two fields viz; "Input File Name with Path:" and "Error/Upload & Statistics Report File Path:". 

Input File Name with Path:
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	Specify the name (with the .txt extension) of the input file (including the path) i.e. the name of the AIR  prepared as per file format to be validated by the FVU.  You may click on Browse and select the input file.  
	Input filename should not be more than 12 characters (including the .txt extension) and should not contain any special characters eg. : , \ / etc.,.
	For example Filename can be FORM61A.txt 

Error/Upload & Statistics Report File Path:
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	Specify the path where the "Error file" or "Upload, Statistics Report and AIR Details Files" generated by the FVU on completion of validation should be saved. The path can be same as the input file path or different.  Do not specify any filename, only provide the path.
Note: - If no path is provided here, the output file will be saved at the same location where the input file is present. 

(A)	In case of an invalid file, an error file will be generated. This will be an html file with the same filename as the input file with "_Err" appended after the file name and "html" as extension. 
	Example, if the input file name is FORM61A.txt then the error filename will be "FORM61A_ERR.html".  The error file will contain details of erroneous records like Line Number, Batch Number, RRR Number, RRR Date, TD Record Number, Field Value along with the error code and the corresponding error description. 
	The Filer will rectify the errors and validate the AIR again through the FVU. 

(B)	In case the input file (eg. FORM61A.txt) is valid, FVU will generate three files:
	(i)  FORM61A.fvu - upload file 
	(ii) FORM61A.html - Statistics Report file and
	(iii)FORM61A_details.html  AIR Details file 

        (i)  FORM61A.fvu is an "upload file" generated with the same filename as the "input file" but with extension "fvu".  E.g. if input file name is FORM61A.txt, then the upload file generated will be FORM61A.fvu.
        (ii) FORM61A.html is an "AIR Statistics Report" which is a summary of the AIR successfully validated by the FVU. It also contains list of PAN deficiencies like Missing PAN and Invalid PAN.
        (iii)FORM61A_details.html is a file which lists down the particulars of the filer and the transacting parties along with discrepancy codes (if any) and their corresponding descriptions. Filer may rectify the data based on the discrepancy description.

	The upload file is to be submitted to a TIN-FC in a CD/floppy along with physical Form 61A (Part A) or directly to NSDL through the online upload facility at www.tin-nsdl.com.
	No modifications should be made in the upload file.
