Namecheap coupon for renewal?

[tmax]

Namecheap's coupon (bestvalue) code only works on buying new domains.
It does NOT work on renewing domains.
Can anyone help? Thank you

 

[Sinfully Wicked]

It was working last week on renewals (evenlower) but not now.

 

[TestCase]

BESTVALUE
EVENLOWER
SAVE7993

No workie...