The late furnishing fee is paid for the benefit of the ISA/EP and its amount is fixed by the EPO. It is payable within one month from the date of the invitation to furnish the nucleotide and/or amino acid sequence listing (Form PCT/ISA/225, see GL/PCT‑EPO B‑VIII, 3.2). The amount payable is the amount applicable on the date of payment.[Rule 13ter.1(c); OJ EPO 2019, A14; OJ EPO 2019, A15; ]