The collection heretofore of any tax and all proceedings by distress or otherwise for the collection of any tax heretofore commenced are hereby ratified, confirmed and made valid, notwithstanding the fact that at the time of such collection or the commencement of such proceedings the period of limitation of the warrants of the duplicates of the tax collector had expired or the power and authority of the tax collector had expired by virtue of the expiration of his term of office and such duplicates and warrants and the power and authority of the tax collector had not at such time been revived and extended, with like effect as though the same had in fact been so revived and extended.