Old cheque books of Andhra, Corporation Bank to be valid only till June 30 Updated: Updated: June 26, 2021 14:52 IST Post the merger of these banks with the Union Bank of India, customers have been requested to obtain new cheque books Share Article AAA Post the merger of these banks with the Union Bank of India, customers have been requested to obtain new cheque books The Union Bank of India (UBI) has informed its customers about phasing out old cheque books, and replacing them with new cheque books with additional security features from July 1, post the merger of Andhra Bank and Corporation Bank with it, and also as part of a prior Reserve Bank of India (RBI) directive.