The Straits Times Mandatory for diners to return trays and clear table litter from June 1 From Sept 1, enforcement will be taken against those who do not clean up after themselves at hawker centres.PHOTO: LIANHE ZAOBAO https://str.sg/Jv5n They can read the article in full after signing up for a free account. Share link: Or share via: Sign up or log in to read this article in full Sign up All done! This article is now fully available for you Read now Get unlimited access to all stories at $0.99/month for the first 3 months. Get unlimited access to all stories at $0.99/month for the first 3 months.