Thanks guys.... I figured it out.
Its an advertising fund that franchisee's pay into and then it appears it is written off later under SG&A.
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Advertising Fund
The Company administers the Wingstop Restaurants Advertising Fund (“Ad Fund”), which is used for various forms of advertising for the Wingstop brand. Advertising fund contributions and expenditures are reported on a gross basis in the Consolidated Statements of Operations, which are largely offsetting and therefore do not significantly impact our reported net income. Advertising expenses incurred by company-owned restaurants are included within cost of sales in the Consolidated Statements of Operations. Administrative expenses of the Ad Fund, such as administrative support services and compensation expenses of employees that provide services directly to the Ad Fund, are included in selling, general and administrative expenses (“SG&A”) in the Consolidated Statements of Operations.
The advertising fund contribution collected from Wingstop restaurant franchisees and company-owned and operated restaurants is equal to 3% of gross sales. For the thirteen weeks ended March 31, 2018 and April 1, 2017 the Company contributed $1.0 million and $2.9 million, respectively, for the purpose of supplementing the national advertising campaign, which were included in advertising expenses in the Consolidated Statements of Operations.