1 If X is a topological (or metric) space and M is a metric space, then the set of all bounded continuous functions from X to M forms a metric space if we define the metric as above: d (f, g) = sup x in X d (f (x), g (x)) for any bounded continuous functions f and g.
Invisalign is orthodontic appliance, so since orthodontic treatment is allowed as an FSA expense, Invisalign is covered. Different companies have different rules concerning amounts set aside and the timing of how funds are used for orthodontics.
Using your Flexible Spending Account (FSA) for orthodontia expenses. To be reimbursed for eligible orthodontia expenses, youâre required to submit one of the following items to. PayFlexÂ® with your claim form. ï· Itemized statement/paid receipt. ï· Orthodontistâs contract/payment agreement. ï· Monthly payment coupons.