9A. Notice of change.—

No employer, who proposes to effect any change in the conditions of service  applicable to any workman in respect of any matter specified in the Fourth Schedule, shall effect such  change,— 

(a) without giving to the workmen likely to be affected by such change a notice in the prescribed  manner of the nature of the change proposed to be effected; or 

(b) within twenty-one days of giving such notice: 

Provided that no notice shall be required for effecting any such change— 

(a) where the change is effected in pursuance of any 2[settlement or award]; or 

(b) where the workmen likely to be affected by the change are persons to whom the Fundamental  and Supplementary Rules, Civil Services (Classification, Control and Appeal) Rules, Civil Services  (Temporary Service) Rules, Revised Leave Rules, Civil Service Regulations, Civilians in Defence  Services (Classification, Control and Appeal) Rules or the Indian Railway Establishment Code or any  other rules or regulations that may be notified in this behalf by the appropriate Government in the  Official Gazette, apply.  

1. Ins. by Act 36 of 1956, s. 6 (w.e.f. 10-3-1957).

2. Subs. by Act 24 of 2010, s. 6, for Chapter IIB (w.e.f. 15-9-2010).

9B. Power of Government to exempt.—

Where the appropriate Government is of opinion that the  application of the provisions of section 9A to any class of industrial establishments or to any class of  workmen employed in any industrial establishment affect the employers in relation thereto so  prejudicially that such application may cause serious repercussion on the industry concerned and that  public interest so requires, the appropriate Government may, by notification in the Official Gazette, direct  that the provisions of the said section shall not apply or shall apply, subject to such conditions as may be  specified in the notification, to that class of industrial establishments or to that class of workmen  employed in any industrial establishment.