With the stipulation of Regional Regulations and Regents Regulations which are regional legal products that regulate general market prices as a benchmark for calculating the swallow's nest regional tax, this regulation still does not meet the principles of justice and legal certainty where the rules for the amount of general market prices are still not regulated or there are no references serve as a juridical basis regarding the basis and procedure for obtaining the amount of the general market price that can apply in each region, especially in Murung Raya Regency so that the stipulation of the general market price gives the impression that the regional government is the determinant of the price of swallow's nests. In accordance with the provisions in Article 8 paragraph (2) Law Number 12 of 2011 concerning the Establishment of Legislation that "The regulations as referred to in paragraph (1) are recognized for their existence and have binding law as long as they are ordered by a higher Legislation or formed based on authority." This means that a regional legal product must have a juridical basis in the form of higher legislation or based on authority, without that basis the existence of the regulation is not recognized and has no binding legal force, for it is necessary that every regional legal product has a function to realize legal certainty. (rechtszekerheid, legal certainty) and as a rule that fulfills the aspect of justice, especially for the amount of swallow nest prices that apply or are set in Murung Raya Regency