The SFP number is the product Package ID that is required to be linked by the bank to your service user number (SUN) in order to submit to the faster payments service:
Package ID: SFP0885
How do I find out the package ID for PT-X Faster payments?
The SFP number is the product Package ID that is required to be linked by the bank to your service user number (SUN) in order to submit to the faster payments service:
Package ID: SFP0885