Son had to complete 21 months of military service as set out in South Korean law, but he managed to earn an exemption by winning the 2018 Asian Games title with his compatriots when he left Spurs during the 2018-19 season.
The 27-year-old is currenly in a two-week quarantine after flying from London back to his homeland last week following football's shutdown due to the coronavirus pandemic.
Son is still waiting for final confirmation that the Premier League suspension will be extended beyond April 30, but that is merely a formality and he now hopes to complete his military service while back home and free from footballing commitments.
Son is currently recovering from a broken arm, but will see this as a perfect opportunity to carry out his service without it impacting on his playing career.
He hopes to start on April 20 and is reported to be serving in the Military Corps.
The Premier League is widely expected to suspend the season beyond its current date at the end of the month as meetings with the English Football League, Professional Footballers' Association and League Managers' Association continue this week.
That would allow Son the window to complete it and then return to the UK in time for the resumption of the league, whenever that might be.
It has been a turbulent few weeks for Son, who was only back in London for a few weeks having returned to Seoul for surgery on his broken arm in February.
Upon his return to the UK, he was forced into two weeks of isolation and had only been back at the club's Hotspur Way training complex for a week or so before it was closed following the government's instructions to stay at home.
The enforced break has worked in his favour as he will almost certainly be fit when the action does restart, having originally expected to have missed the remainder of the season.
Son uploaded pictures and a video on Instagram earlier this week, showing him skipping without a cast on his arm.
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