The reforms had elicited a heated debate among relevant stakeholders.
The government has been warned more billions could be lost unless action is taken.
Kenya is walking a diplomatic tightrope as it aims to secure support from both the East and the West.
The changes could result in some officers losing their jobs or even standing trial.
All applications shall be remitted by May 16, 2025.
The MCA passed away on Tuesday this week.
Murkomen also said chiefs and officers in Rongo will be held to account over the incident.
There were earlier reports that fees would be hiked effective July 1, 2025.
In the past few weeks, Duale has been issuing a series of directives to healthcare regulatory bodies in quick succession.
The Senators warning comes amid a fallout between President Ruto and some ODM officials.