The certified standing orders or the modifications in the standing orders shall be authenticated by the certifying officer and shall be sent electronically and a hard copy thereof by speed post, within seven days from the date of such authentication to the employer and all the registered Trade Unions or chosen representative of workers:

Provided that there shall not be any requirement of authentication under this rule in cases of deemed certification under sub-section (3) of section 30 of the Code and in cases where the employer has certified adoption of Model Standing Orders.