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.
Mastic Gum. Mastic is a resin, the hardened sap from a tree. It appears as pea-sized globules, known as tears. They are rounded, pear shaped, sometimes oblong, with a brittle, crystalline texture.ooking with Mastic. Besides being used in toothpaste, chewing gum and confectionery, mastic is an ingredient in the making of liqueurs. A Greek grape spirit, mastiha, is flavoured with the resin, as is the Turkish liqueur, raki.