policy. (4) Temporary supervision of tandem spouse The Secretary shall update policies to allow for a tandem spouse to temporarily supervise another tandem spouse for up to 90 days in a calendar year, including at a United States diplomatic mission. (d) Report Not later than 90 days after the date of enactment of this division, and annually thereafter for two years, the Secretary shall submit to the appropriate congressional committees a report that includes— (1) the number of Foreign Service tandem spouses currently serving