Electronic Communications and Transactions [No. 4 of 2021 165 (i) are made to the consumer’s specifications; (ii) are clearly personalised; (iii) by reason of their nature, cannot be returned; or (iv) are likely to deteriorate or expire rapidly; (g) where audio or video recordings or computer software were unsealed, streamed or downloaded by the consumer; (h) for the sale of newspapers, periodicals, magazines and books; (i) for the provision of gaming and lottery services; or (j) any other goods or services as the Minister may prescribe. 67. (1) A supplier shall execute an order within thirty days from the date on which the supplier received the order, unless the parties have agreed otherwise. Performance (2) Where a supplier fails to execute an order within thirty days or within the agreed period, the consumer may cancel the agreement on giving seven days’ written notice. (3) Where a supplier is unable to perform under the agreement on the grounds that the goods or services ordered are unavailable, the supplier shall immediately notify the consumer of this fact and refund any payments immediately. 68. The protection provided to consumers in this Part applies irrespective of the legal system applicable to the agreement in question. Application of foreign law 69. A provision in an agreement which excludes a right provided for in this Part is void to the extent of the exclusion. Nonexclusion 70. (1) A consumer may lodge a complaint with the Authority in respect of any non-compliance with the provisions of this Part by a supplier. Complaints to Authority (2) The Authority may investigate and determine any complaint in accordance with this Act and any other applicable written law. (3) The Authority shall, in managing consumer complaints, have the power to— (a) carry out market surveys to determine consumer demand and consumption trends; (b) conduct quality of experience survey; (c) monitor the information and communications technology sector for possible infringements of consumer rights not being reported to the Authority;