The certificate of purchase or its certified copy is prima facie evidence of the correct performance and regularity of all acts pertaining to the tax lien sale and the validity and enforceability of the tax lien.
A.R.S. § 42-18119
Certificate of purchase as evidence of valid procedure
Official source: Arizona State Legislature. Reproduced from public-domain Arizona statutes; confirm against the official source for the current text. Not legal advice.