Part I of the [11 & 12 Geo. 5. c. 47.] Safeguarding of Industries Act, 1921 (which, as extended by section ten of the [16 & 17 Geo. 5. c. 22.] Finance Act, 1926, and section five of the [26 Geo. 5. & 1 Edw. 8. c. 34.] Finance Act, 1936, is limited to expire on the nineteenth day of August, nineteen hundred and forty-six) shall continue in force for a further period of two years from the said day.