In the PDF document listed on this page is information about the preparation of N-chloro- and N-bromosaccharin. Both can be likely be applied to just about any halogenation reaction.
A Green Preparation of N-Chloro- and N-Bromosaccharin:
(https://www.thevespiary.org/rhodium/Rhodium/hive/hiveboard/picproxie_imgs/pdf.gif)
Note Re-post intended to assist in making the article posted by psychokitty more appealing to the Bee's
A Green Preparation of N-Chloro- and N-Bromosaccharin
Soraia P. L. de Souza, Joaquim F. M. da Silva, and Marcio C. S. de Mattos*
SYNTHETIC COMMUNICATIONS Vol. 33, No. 6, pp. 935–939, 2003
Full Text:posted pdf by psychokitty......Post 531553 (https://www.thevespiary.org/talk/index.php?topic=7134.msg53155300#msg53155300)
(psychokitty: "N-Halosaccharin for halogenations?", Chemistry Discourse)
Abstract The reaction of the sodium salt of saccharin, potassium chloride or bromide and oxone in water at room temperature for 24 h produced pure N-chloro- and N-bromosaccharin in 58% and64% yield, respectively.