Checking volume of prepared tablet coating solution before its application

I am a production pharmacist.

My question is:
For a certain validated tablet coating process in which the preparation procedure of coating solution and the quantities and specifications of chemicals used for preparation of coating solution are specified and validated , is it required that the volume of coating solution (after its preparation and before its application) is checked (to ensure that it falls within specified volume range) every time the coating solution is prepared during routine production of tablets batches?
Please if there is certain reference or guideline that mentions this issue please guide me to it.

Thanks a lot.

If your solution preparation process is validated then it is not required to measure the volume of the coating solution every time.

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Thanks for your attention

Is there any reference or guideline which can be beneficial for our issue ?

There are various guidelines on validation but none for the specific issue.

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Thanks a lot for your quick response