True. The beginning balance date is then locked down. If you need to change the date after you start entering data, you must contact Axium Client Services.
True. For example, you close the year on 12/31/2012 and do not want entries made before then, so you enter 01/01/2013.
Ajera also uses this date and the beginning balance date to determine valid dates and assign accounting dates.
True. In the Company > Preferences > Time & Expense tab > Week Starts On field, be sure that the day is correct. You cannot change it after employees start entering time through Manage > Time & Expense.