1 â¢ Print, sign and date the two-page Certification. Statement and mail it along with all requested. supporting documentation to the Medicare. contractor. 2  Note: 3  Do not mail the CMS-855 paper that can. be printed from Internet-based PECOS.  Retain this information for your records.
Definition of mastic. 1 : an aromatic resinous exudate from mastic trees used chiefly in varnishes.
As well as its culinary uses, mastic continues to be used for its gum and medicinal properties. The resin is used as a primary ingredient in the production of cosmetics such as toothpaste, lotions for the hair and skin, and perfumes.istacia lentiscus (also mastic; Greek: Î¼Î±ÏÏÎ¯ÏÎ± mastikha) mastÃ­kha is a dioecious evergreen shrub or small tree of the pistacio genus growing up to 4 (m 13) ft tall which is cultivated for its aromatic, resin mainly on The greek island Of. chios