1. About this Document

This document intends to provide the clearing file details pertaining to card transactions that traverse the NPS National Card Switch (NPS - NCS). This document seeks to provide participating members with a deeper understanding of the operational dynamics governing card transaction clearing processes facilitated by the NPS - NCS platform.

1.1 Audience This manual is intended for technical staff and managers and customer support personnel of NCHL member banks and member PSOs.

1.2 Organization of the Document Chapter 2, Introduction – This chapter provides overview of NPS-NCS. Chapter 3, NPS-NCS Clearing File Specification – This chapter provides NCHL Clearing File Specification along with the list if fields. Chapter 4, File Header Field Description – This chapter provides detailed description of each field of Clearing File Header. Chapter 5, File Trailer Field Description – This chapter provides detailed description of each field of Clearing File Trailer. Chapter 6, Transaction Field Description – This chapter provides detailed description of each field of Clearing File Transaction. Annexure – This contains various supplement or appendix related with this document.

1.3 More Information For more information about NCHL, various instruments and payment channels; readers are recommended to read these publications.

1. NCHL-IPS Interface Specifications Document V1.6
2. NCHL-ECC System Bank Parameters
3. NCHL-ECC Clearing File Interface
4. NCHL_NPI Specification 7.0 - Oct 2021
5. NEPALPAY QR Code & Technical API Specification_Ver1.0_Oct2021-Final
6. NPI Aggregated Services Ver 3.0-Aug 2021
7. NPS_NPI Billers Integration Specification Ver 1.0-Oct2021
8. NCHL_NPS_Card Switch_Switching Interface Specification Ver 0.2_21032024