Yes. Corporates require Class 2 Digital Signature Certificates for the individual users. The same can be procured from any of the authorised CAs. Digital Signature Certificate is required for digitally signing the NACH Credit files.
Signing Tool is used for the encryption and decryption of the transaction files which are uploaded/download in the NACH Credit. The Signing Tool should be configured with RAW or PKCS#7 algorithm.
The session timings for NACH Credit (156 character file format) and NACH Credit (306 character file format) are as follows: NACH Credit (156 Character File Format) Presentation and Return Timings:
Weekdays, Presentation: 10:00 AM - 06:00 PM, Return: 10:00 AM - 04:00 PM
Saturday, Presentation: 10:00 AM - 02:00 PM, Return: 10:00 AM - 02:00 PM
NACH Credit (306 Character File Format) Presentation and Return Timings:
The settlement for NACH Credit (156 character file format) takes place on T-7 basis. The input files for NACH Credit (156 character file format) are accepted till the previous day for the next day settlement, while the returns would happen on the settlement
date. The settlement for NACH Credit (306 character file format) takes place on T+0 basis.