Salivary gland infections are somewhat common, and they can return in some people. Viral infections such as mumps often affect the salivary glands. (Mumps most often involves the parotid salivary gland). Mumps is a rare problem today because of the MMR vaccine.
1. Wheeling Charges or Distribution Charges. Distribution charges are those charges which are paid to distribution licensee for the use of distribution system and associated facilities by another person for the conveyance of electricity.
A user fee is not compulsory, meaning there is no such thing as a mandated fee. Any fee that is mandated is, in essence, a tax because the user cannot choose to avoid the fee legally. User fees are most often used specifically to preserve or enhance the product or service being paid for.