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 (plant resin) Page issues. Mastic tears. Mastic (Greek: Î¼Î±ÏÏÎ¯ÏÎ±) is a resin obtained from the mastic tree (Pistacia lentiscus). In pharmacies and nature shops, it is called Arabic gum (not to be confused with gum arabic) and Yemen gum.