Dates of Zambian coins [solved]

The country list
https://en.numista.com/catalogue/zambie-2.html
shows the new section of

Zambia - Kwacha (2013-date)


though

- the Bank of Zambia declared money reform in August 2012! Here is the official introduction of the reform:

http://www.boz.zm/currencyrebase/Rebasing%20Fact%20Sheet.pdf

It is possible to correct the date of the introducing the new kwacha?

Site of Bank of Zambia does not inform enough about the details of the reform. New money were introduced in January next year.