Title 48, Chapter 4, Section 47
(a) After notice to foreclose the right of redemption as provided
for in this article has been given, no action shall be filed,
allowed, sanctioned, or maintained for the purpose of setting aside,
canceling, or in any way invalidating the tax deed referred to in
the notice or the title conveyed by the tax deed unless and until
the plaintiff in the action pays or legally tenders to the grantee
in the deed or to his successors the full amount of the redemption
price for the property, as provided for in this article.
(b) Subsection (a) of this Code section shall apply unless it
clearly appears that:
(1) The tax or special assessment for the collection of which the
execution under or by virtue of which the sale was held was not
due at the time of the sale; or
(2) Service or notice was not given as required in this article.