DR, in accounting, is an acronym for Debit Record. See DEBIT RECORD.
RESEARCH & DEVELOPMENT (R&D) is research as a planned activity aimed at discovery of new knowledge with the hope of developing new or improved products and services. Development is the translation of the research findings into a plan or design of new or improved products and services.
CLEARANCE LETTER is a documented certification from a recognized authority that the cleared entity has satisfied certain requirements, payments, actions, etc.
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