Is saying 'Hashem Hu HaElokim' seven times on Yom Kippur Ne'ilah a legitimate custom?

PrayerYom Kippur

Synopsis

The Mechaber permits the custom of saying 'Hashem Hu HaElokim' seven times as Ne'ilah ends. The Rema adds that one should be careful not to answer Amen twice to any blessing.

Early Acharonim
Late Acharonim
Lenient
Strict
Lesser cited
Major authority

Discussion

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