certify

certify to

v. 书面证明

certifying

v. （尤指书面）证明( certify的现在分词 ); 发证书给…; 证明（某人）患有精神病; 颁发（或授予）专业合格证书

certifying bank

[经] 付款保证银行

certifying officer

[经] 核证人