National Fertilizers Limited issued a notice announcing a special window for transferring and dematerializing physical securities sold or purchased before April 1, 2019.The window is active for one year, from February 5, 2026, to February 4, 2027, allowing for the re-lodgment of previously rejected or returned requests.All transferred securities will be held in dematerialized form and subjected to a one-year lock-in period starting from the registration date.Shareholders must submit transfer requests and documents to the registrar, MAS Services Limited, located in New Delhi.