The count is determined by the spacing used by the operator in sending the text. The relaying operator has no authority to change the check unless it is determined that the check is incorrect. Then it should be confirmed with the transmitting operator before making the change. The check allows for ensuring the accuracy and completeness of your copy. It indicates to the receiving operator how many words the radiogram will contain.
Numbers count as one, regardless of length.
Don't use punctuation or fractions. Separating the phone number into groups minimizes garbling. Follow the dictionary. QTB is a useful signal in confirming check. In copying traffic by pencil or typewriter, it is quite easy to count the words in the text as you copy.