128. No transfer of a lot or surface right made before the first of January 1971 on a mining concession shall be declared invalid on the sole ground of non-compliance by the holder with the requirements of the Mining Act respecting division into lots in force after the date of such concession or of his failure to fulfil any obligation imposed upon him by the Government or any public officer.
However, the preceding paragraph shall not apply to a deed of disposition respecting a lot not described in a subdivision plan duly deposited with the book of reference in the registry office of the division where it is situated.
1970, c. 27, s. 26; 1977, c. 5, s. 14.