Liam Walker has been called up to the latest Gibraltar squad as they conclude their 2018 World Cup qualifying campaign.
The midfielder will be in contention for the matches against Estonia (H) on Saturday 7 October and Greece (A) on Tuesday 10 October.
Consequently, Walker will be unavailable for Notts' Sky Bet League Two game against Forest Green Rovers on Saturday 7 October.
Gibraltar are bottom of Group H after eight matches and cannot qualify for the tournament in Russia.