Reference materials with hand-written notes are NOT allowed in the examination sites. Existing handwritten notes, formulas, indexing systems, etc. must be blackened out or whitened out completely by the candidate prior to arrival at the test center, prohibiting legibility. Typewritten notes are also prohibited. Reference books that have been underlined with pen or highlighter are authorized. Permanently attached book tabs with normal chapter headings are allowed; however, tabs must not contain statements, formulas, etc. Any removable tabs that would not damage a page if removed are prohibited. Post-it Flags or Notes are NOT permitted. You will not be permitted to write, underline, or highlight in your reference books during the administration of the examination.