Are there approved museum standards governing the definition of age-based admission price categories? IE, is there an official definition of what age range constitutes an "Adult," a "Senior," a "Student" and a "Child"? Or should every museum define those categories for itself? Thanks in advance for your help. Best, Sarah Landreth Historic House Trust of New York City ========================================================= Important Subscriber Information: The Museum-L FAQ file is located at http://www.finalchapter.com/museum-l-faq/ . You may obtain detailed information about the listserv commands by sending a one line e-mail message to [log in to unmask] . The body of the message should read "help" (without the quotes). If you decide to leave Museum-L, please send a one line e-mail message to [log in to unmask] . The body of the message should read "Signoff Museum-L" (without the quotes).