REVENUE ADMINISTRATIVE ORDER NO. 3-2021 issued on May 11, 2021 amends Revenue Administrative Order No. 2-2018 relative to the organization and functions of Research and Statistics Division under the Planning and Management Service. Additions to the functions of the following Sections of the Research and Statistics Division are specified below: A. Data Extraction and Processing Section i Gathers and maintains tax revenue collection statistics and other relevant data for policy and decision-making purposes; ii Identifies the information needed for a particular analytics application and coordinate with the IT group for data integration/extraction routines and transformation of data into a common format to support analytical processing via SAS; iii Acquires data from primary or secondary data sources and maintain databases; iv Filters and cleans data by reviewing computer reports, printouts, and performance indicators to locate and correct structural error, unwanted outliers, and repetitive, irrelevant or sensitive data/information; v Prepares/summarizes tax revenue collection statistics and other relevant data needed by internal and external stakeholders; vi Coordinates with BIR offices and provides tax revenue collection statistics and other relevant data as requested by National Government Agencies, private institutions, and other external stakeholders, on the Bureau’s performance and other information; and vii Performs other functions as may be assigned. B. Statistical Analysis Section i Undertakes data analysis of revenue collection performance and statistics data relating to taxpayers’ compliance based on different sectors/categories and sources of tax revenue; ii Interprets data sets using statistical tools, paying particular attention to uncover trends and patterns that could be valuable for diagnostic and predictive analytics efforts; iii Apprises the office concerned regarding observed data inconsistencies and quality; iv Analyzes results of survey conducted and submits reports to offices concerned; v Coordinates with offices concerned relative to data analysis; and vi Performs other functions as may be assigned. C. Revenue Forecasting and Goal Allocation Section i Develops revenue forecasting models and prepares revenue forecasts as basis for management decision; ii Gathers, maintains and monitors data relative to revenue forecasting and goal allocation; iii Develops methodologies and prepares goal allocations by implementing unit, by period and by tax type; iv Maintains statistical data from BIR Form No. 1209-Consolidated Monthly Reports on Collection; v Organizes and conducts briefings/updates on the preparation of statistical reports (i.e. BIR Form 1209, etc.); vi Coordinates with offices concerned and provides statistical data/information needed by internal and external offices to measure revenue impact of proposed revenue measures; and vii Performs other functions as may be assigned. D. Statistical Research and Surveys Sections i Gathers and monitors macro-economic indicators/trends that may affect the Bureau’s revenue performance; ii Prepares statistical report(s) on macro-economic indicators and trends needed by offices concerned in the Bureau; iii Supervises and monitors the conducts of surveys in accordance with the requests of BIR offices; iv Tabulates and consolidates results of survey conducted and submits reports to offices concerned; v Monitors revenues generated from newly approved tax measures and prepares report on the impact of such tax measures; vi Creates and maintains the handbook of Alphanumeric Tax Codes (ATCs); vii Updates Revenue District Office classifications; and viii Performs other functions as may be assigned.