1. « 1 Statistics Portugal Department of Methodology and System Information Information Infrastructure Unit Isabel Farinha and Jorge Magalhães « 21th Meeting of the Wiesbaden Group on Business Registers International Roundtable on Business Survey Frames 24-27 November 2008  OECD, Paris  France SIGUA-BR System for co-ordination of frame populations and samples from the Business Register

2. « 2 « » Implementing the management system of frame population and samples (SIGUA) » Introduce new methods of sampling and statistical inference Objectives

3. « 3 « »The System (SIGUA) for co-ordination of frame populations and samples from the Business Register (BR) » Management focused on Sample » Statistics survey (OES) recorded in the system metadata (SMI) of INE Introduction

4. « 4 BR Local Units Short-terms Structural Enterprises Short-terms Structural Year_N December

5. « 5 Structural Short-term Sample 1 Sample n Samplin g frame Samplin g frame Sample 1 Sample n Sample 1 Samplin g frame Samplin g frame Samplin g frame Samplin g frame Samplin g frame Samplin g frame

6. « 6 Functionalities Import Population frame Import Sampling frame Communicate with Collecting data Import Samples Communicate in launching an survey Communicate with the BR

7. « 7 Unique enterprise Unique sample survey Proposals Analyse BR SIGUA Analyse Sample Proposal rejected Proposal accepted SIGUA Data Collection System Proposal rejected Proposal accepted

8. « 8 « Advantages » To have centralized management of all updates already made in the different samples and BR » To have a common frame population to all the structural surveys and another one to all the short-term surveys » To allow the implementation of a system to “coordinate drawing of samples”

9. « 9 » All the users through a called window “Window Sample” » the users will be able to consider shares of update to the sample » To allow that all the surveys where the enterprise is integrant part, are informed of the updates that occurs, as a result of a proposal » To allow the reduction of the burden statistics « Advantages

10. « 10 SCI in Global System of Surveys SCI S MI

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13. « 13 Thank you for your attention