The 27-year-old, who has undertaken two separate fortnights in quarantine, is likely to have to self-isolate for another 14 days with the authorities tightening up measures for those jetting into the country.
Son Heung-min is facing the prospect of missing the Premier League’s return to full training
The Spurs forward was instructed to self-isolate in February after returning from arm surgery in his homeland, before being forced to once again complete another spell in quarantine in Seoul last month.
Son has been afforded a shortened period of conscription and is expected to complete his three-week stint on May 10.
All able-bodied men from his home country are required to serve for two years, but Son received an exemption after helping the nation win the gold medal at the 2018 Asian Games.
Son will likely have to self-isolate for 14 days upon returning to the UK after his military service
However, due to the new government plan, Son is likely to be told to isolate once again for another 14 days – a third occasion in total since the start of the pandemic.
Top flight chiefs have pencilled in a potential date to resume training, which would fall on May 18, and there are hopes that the division may restart on June 8.
Son could miss the first week of training under these proposals.
The government proposals have also ensured clubs hand their players 48 hours’ notice to return to training, in yet another indication that the division is edging closer to a resumption behind closed doors.
Son (second right) is currently undertaking his mandatory three-week military service in Korea
South Korea captain Son is just one of a large number of stars spending the lockdown period in their home countries, with the permission of their clubs.
Many of them are now expected to return to the UK due to the imminent return to training.
Steven Bergwijn has spent the suspension in Holland because of the birth of his first child, and is unlikely to begin training straight away due to a twisted ankle.
Arsenal became the first team to head back to work after 47 days away on Monday, but their players arrived in shifts in order to adhere to social distancing rules.
They also trained alone on individual pitches, five at a time, with each player having his own ball to avoid cross-contamination.