RecoverPassword Submit Failure (won't submit)

// Problem
I've attempted to load RecoverPassword.aspx within a Panel located in a MasterPage. All of my other Login and related controls function in this way from this "Membership Control Panel." The RecoverPassword control is templated: UserNameTemplate, QuestionTemplate and SuccessTemplate.
When the Submit button is selected the RequiredField validator will validate the UserName TextBox when it is left empty. However, when not left empty the Q&A templates are not being loaded so its not possible to tell if the user submitted the correct name and the remaining steps cannot be accomplished. No email is sent. 

// Setup 
I've tested the same instance of RecoverPassword.aspx as a stand-alone file and with the same Master locating it within a ContentPlaceHolder rather than in a Panel located in the MasterPage and RecoverPas ...