Extended trade credit permitted for infrastructure importers up to five years, subject to contracting and documentation conditions. AD Category I banks may approve trade credit for import of capital goods with extended maturities for infrastructure sector borrowers up to five years if the credit is contracted ab initio for at least fifteen months and is not a short term rollover; AD banks may not issue Letters of Credit/guarantees/LoU/LoC for the extended period beyond three years. The circular sets all in cost ceilings linked to the relevant benchmark for different maturity bands and affirms unchanged applicability of other trade credit rules.