Notts County midfielder Liam Walker has been called up to the latest Gibraltar squad.
The 29-year-old is in line to face Latvia in a friendly on Sunday 25 March.
Meanwhile, loanee Ben Hall has been called up to the Northern Ireland Under 21s squad for their UEFA Under 21 European Qualifying matches at home to Spain (22 March) and Iceland (26 March).
Both players will therefore be unavailable for the Magpies' trip to Chesterfield on Sunday 25 March.