New Delhi, Oct. 7 -- The Securities and Exchange Board of India (Sebi) has laid out a new framework for the number of debt instruments by an issuer that can mature in a given financial year. The new norms come into effect immediately.

In a circular issued on Wednesday, the market regulator increased the maximum number of International Securities Identification Numbers (ISINs) that can mature annually from 14 to 17 for privately placed debt securities. The norms were previously published for consultation in August. An ISIN is a unique 12-digit code used to identify a specific security issue globally.

Of the 17 issues, entities can have up to 12 plain vanilla debt securities. Such securities can be secured or unsecured instruments. Once t...