This survey is carried out in co-operation with FNTP, the national association of civil engineering firms, which is the main employers' association in the sector. A3 Timeliness A1. The data release date is included in the calendar for the four coming months, issued by I.N.S.E.E. on the 25th of each month. Under the provisions of these laws, I.N.S.E.E. cannot publish, or otherwise make available to one individual or organization, statistics that could enable the identification of data for any individual person or entity. Provision of information about revision and advance notice of major changes in methodology Data are provisional.
Seasonal adjustment is renewed each year.
Changes in methodology are announced in appropriate publication after implementation. Quality Dissemination of documentation on methodology and sources used in preparing statistics Published tables and charts are accompanied by explanatory notes. To obtain a copy of these documents, fax the dissemination contact person.