§ 62. Size of type. Whenever a requirement of law relating to size of type is stated in point size, the type size requirement shall be deemed met if the x-height of the type is a minimum of forty-five percent of the specified point size. Each point shall be measured as .351 millimeter. The x-height size shall be measured as it appears on the page. The x-height is the height of the lower case letters, exclusive of ascenders or descenders.