The central board of Direct Taxes has amended the rules relating to service of notice, summons, requisition or order. The step widens the scope of addresses that the I-T department can use for delivering any form of communication with the taxpayers. The I-T can now use address of the assessee as available with the banks, post office, insurer or that available in government/local authority records. It can also include communication address provided under PAN database, which is meant for filing statement of financial transaction. The extant rule provides that the I-T could use the address from either the PAN database or a taxpayer’s registered office address.  Experts said the change in rule was to ensure tax authorities can track those asseesses who aren’t reachable at the addresses available with the department.