How annual leave gets approved

The diagram as text

Parts

Submit request in the HR portal (user: “you request leave in the HR portal”)
Line manager reviews (user: “it goes to your line manager first”)
Over 10 working days? (user: “anything over ten working days also needs HR”)
HR approves (user: “also needs HR”)
In the year-end freeze? (user: “nothing in the last two weeks of December without the director”)
Director approves (user: “without the director”)
Booked in team calendar (user: “once it's approved it shows up in the team calendar by itself”)
Employee told it's declined assumption

Submit request in the HR portal → Line manager reviews (user: “it goes to your line manager first”)
Line manager reviews → Over 10 working days?: approves (user: “it goes to your line manager first”)
Line manager reviews → Employee told it's declined: declines assumption
Over 10 working days? → HR approves: yes (user: “anything over ten working days also needs HR”)
Over 10 working days? → In the year-end freeze?: no (user: “anything over ten working days also needs HR”)
HR approves → In the year-end freeze? (user: “also needs HR”)
In the year-end freeze? → Director approves: yes (user: “without the director”)
In the year-end freeze? → Booked in team calendar: no (user: “once it's approved it shows up in the team calendar by itself”)
Director approves → Booked in team calendar (user: “once it's approved it shows up in the team calendar by itself”)

Not in the description, so drawn as an assumption: what happens when HR or the director says no.