The participants considered the concept paper on the constitution of the Delhi Group prepared by the secretariat. The draft terms of reference of the Group were discussed item by item. After detailed discussion the Group recommended the following terms of reference for adoption:

• Prepare an inventory of the existing country practices including data collection. Sample design, bench mark adjustments. Processing tabulation and dissemination practices. The Group noted that the ILO had already started to collect some relevant information and was ready to take the responsibility for preparing such an inventory:
• Evaluate data collection procedures for informal sector statistics inclusive of the feasibility of registers on informal enterprises:
• Identify problems encountered within data collection procedures and recommend measures to improve response rates and data quality:
• Operationalise international definition of informal sector in the light of country experiences in implementing the standards. The operationalisation should include questions on delineation of the informal sector from other household sector activities such as those in agriculture, in rural areas, in non market production of goods, in paid domestic services and also the criteria to be used for defining informal own account enterprises and enterprises of informal employers:
• Recommend a minimum data set for Informal Sector Statistics:
• Preparation of guidelines directed at improving international comparability of various aspects of informal sector data information:
• Identify data needs of national accounts with respect to compiling data on gross output . value added, mixed income, etc. of the informal sector enterprises, in particular based on data on production, income generation and fixed capital (type, quantity and value of goods and services produced and sold; type , quantity and value of inputs, period of operation, wages and salaries paid, etc.);
• Evaluate the usefulness of different data sources household income and expenditure surveys, unorganized sector surveys, population census/surveys, labour force surveys, surveys of household economic activities, informal sector surveys, small enterprise surveys, time use surveys, others) for national accounts and other purposes with regard to coverage, periodicity, reference period sample design non response, etc.

• Inventory of country practices;
• Evaluation of the area sampling frame list sampling frame and the survey design
• Evaluation of data quality;
• Analysis of the criteria used to define the informal sector (e.g. employment size non registration seasonality gender issue etc.)