Contract labour intimation requires contractors to report work orders electronically within fifteen days through the Shram Suvidha Portal. Every contractor must intimate a contract work order within fifteen days of receipt by sending the prescribed details through the Shram Suvidha Portal. The intimation must include the principal employer's name, the premises address, the commencement date of the contract work, the number of contract labour employed, and the duration of the work order. The intimation may be sent by the contractor or an authorised representative, and it must be transmitted electronically.