John Kennedy actually said...
The amendment made by this Order shall not affect any act done, or any right accruing or accrued or any suit or proceeding had or commenced in any civil or criminal cause prior to the date of this Order but all such liabilities shall continue and may be enforced as if said amendments had not been made.
Context
Executive Order 11110—Amendment of Executive Order No. 10289 as Amended, Relating to the Performance of Certain Functions...
06/03/1963