Construction, decoration and supporting lines of all kinds of buildings and ancillary facilities, pipelines, equipment installation and foundation, independent earthwork, real estate development, antique gardens, kiln masonry, municipal construction, etc. A, regardless of the source of funds and affiliation, and undertake the task of construction enterprises regardless of the level of qualification, affiliation and economic category, the construction unit must pay the labor insurance fund to the construction project labor insurance fund management institutions. The labor insurance fund shall implement the prepayment and settlement system. For projects with local or industrial cost quotas, when handling project planning, construction application or bidding, the labor insurance fund shall be paid in advance to the management department at one time according to 100% of the labor insurance fund for projects with less than 500,000 yuan (including 500,000 yuan), and the projects with more than 500,000 yuan shall be paid in installments after being approved by the management department of the autonomous region. After the project settlement is completed, the settlement shall be made according to the contents of the examination and approval, and less refund and less compensation shall be made.