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Is it possible to write a time range with an interval of one year, two years, three years, etc. in the "IFS" function in the "Logical check 2" line?
No.
What should be the point? IFS is the same as a stacked IF:
if K13 is greater [Date 1] then "this result" else if K13 is greater [Date 2] then "other result" else and so on.
BTW, in your screenshot "31.122023" is not a date, use DATE(2023,12,31) instead.
Andreas.